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Finding the Fourth Proportional to 1,632, 2,447.04 and 708.16

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Solution

The fourth proportional to 1,632, 2,447.04 and 708.16 is: 1,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632 : 2,447.04 = 708.16 : x
  2. Step 2: Convert to fraction form
    1,632/2,447.04 = 708.16/x
  3. Step 3: Cross multiply
    1,632x = 2,447.04 × 708.16
  4. Step 4: Simplify right side
    1,632x = 1,732,895.85
  5. Step 5: Solve for x
    x = 1,732,895.85/1,632
  6. Step 6: Final answer
    x = 1,061.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.