Rule of Three Calculator

Direct and inverse proportions — ready to embed.

Formula: x = (b × c) ÷ a

First Value (a)

corresponds to

Second Value (b)

then

Third Value (c)

corresponds to

Result (x)

Formula: x = (a × b) ÷ c

First Value (a)

corresponds to

Second Value (b)

then

Third Value (c)

corresponds to

Result (x)