Home / 3,432.43-4,737.05-1,940.61

Finding the Fourth Proportional to 3,432.43, 4,737.05 and 1,940.61

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Solution

The fourth proportional to 3,432.43, 4,737.05 and 1,940.61 is: 2,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.43 : 4,737.05 = 1,940.61 : x
  2. Step 2: Convert to fraction form
    3,432.43/4,737.05 = 1,940.61/x
  3. Step 3: Cross multiply
    3,432.43x = 4,737.05 × 1,940.61
  4. Step 4: Simplify right side
    3,432.43x = 9,192,781.94
  5. Step 5: Solve for x
    x = 9,192,781.94/3,432.43
  6. Step 6: Final answer
    x = 2,678.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.