Answer
Ans: $x\approx2.67$
Work Step by Step
$\frac{3}{1} = \frac{8}{x}$
We need to find the unknown Number in the proportion.
First we need to find the cross product
i.e. $3\times x = 8 \times 1$
So, $3 x = 8$
Divide both sides by 3
i.e. $3 x \div 3 = 8 \div 3$
so, $x\approx2.67$
