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PDF Editors PDF Converters PDF Utilities Calculators Geometry & Trig Math Tools Color Modifiers Color Generators Color Schemes Colors Tutorial Image Colors Text Tools List Tools Text Analyzers Numbers Date & Time Image Editors Image Adjustments Image Effects Image Generators Image Converters Image Utilities Randomness Files Code Formatters Dev Converters Dev Utilities Videos Finance Prize Bond Blog

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Rule of Three Standard Deviation GCD LCM Fibonacci Numbers Proportions Prime Number Checker Roman Numeral Converter

Home›Math Tools›Rule of Three

Rule of Three

Proportional calculation: if A relates to B, then C relates to X.

Input

A

B

C

Options

Proportion type

Direct Inverse

Decimal places

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📊Standard Deviation

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🌀Fibonacci Numbers

Generate Fibonacci sequence

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