Finding the Fourth Proportional to 1,622, 2,433.12 and 511.68
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Solution
The fourth proportional to 1,622, 2,433.12 and 511.68 is: 767.56
Step by Step Solution
- Step 1: Write the proportion equation
1,622 : 2,433.12 = 511.68 : x - Step 2: Convert to fraction form
1,622/2,433.12 = 511.68/x - Step 3: Cross multiply
1,622x = 2,433.12 × 511.68 - Step 4: Simplify right side
1,622x = 1,244,978.84 - Step 5: Solve for x
x = 1,244,978.84/1,622 - Step 6: Final answer
x = 767.56
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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.