Home / 3,432.65-5,147.12-1,092.02

Finding the Fourth Proportional to 3,432.65, 5,147.12 and 1,092.02

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Solution

The fourth proportional to 3,432.65, 5,147.12 and 1,092.02 is: 1,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.65 : 5,147.12 = 1,092.02 : x
  2. Step 2: Convert to fraction form
    3,432.65/5,147.12 = 1,092.02/x
  3. Step 3: Cross multiply
    3,432.65x = 5,147.12 × 1,092.02
  4. Step 4: Simplify right side
    3,432.65x = 5,620,732.25
  5. Step 5: Solve for x
    x = 5,620,732.25/3,432.65
  6. Step 6: Final answer
    x = 1,637.43

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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.