Finding the Fourth Proportional to 1,351.08, 2,027.36 and 486
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Solution
The fourth proportional to 1,351.08, 2,027.36 and 486 is: 729.27
Step by Step Solution
- Step 1: Write the proportion equation
1,351.08 : 2,027.36 = 486 : x - Step 2: Convert to fraction form
1,351.08/2,027.36 = 486/x - Step 3: Cross multiply
1,351.08x = 2,027.36 × 486 - Step 4: Simplify right side
1,351.08x = 985,296.96 - Step 5: Solve for x
x = 985,296.96/1,351.08 - Step 6: Final answer
x = 729.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.