Home / 3,432.34-5,149.11-1,092.31

Finding the Fourth Proportional to 3,432.34, 5,149.11 and 1,092.31

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Solution

The fourth proportional to 3,432.34, 5,149.11 and 1,092.31 is: 1,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.34 : 5,149.11 = 1,092.31 : x
  2. Step 2: Convert to fraction form
    3,432.34/5,149.11 = 1,092.31/x
  3. Step 3: Cross multiply
    3,432.34x = 5,149.11 × 1,092.31
  4. Step 4: Simplify right side
    3,432.34x = 5,624,424.34
  5. Step 5: Solve for x
    x = 5,624,424.34/3,432.34
  6. Step 6: Final answer
    x = 1,638.66

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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.