Home / 3,432.91-5,137.07-2,972.28

Finding the Fourth Proportional to 3,432.91, 5,137.07 and 2,972.28

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Solution

The fourth proportional to 3,432.91, 5,137.07 and 2,972.28 is: 4,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.91 : 5,137.07 = 2,972.28 : x
  2. Step 2: Convert to fraction form
    3,432.91/5,137.07 = 2,972.28/x
  3. Step 3: Cross multiply
    3,432.91x = 5,137.07 × 2,972.28
  4. Step 4: Simplify right side
    3,432.91x = 15,268,810.42
  5. Step 5: Solve for x
    x = 15,268,810.42/3,432.91
  6. Step 6: Final answer
    x = 4,447.77

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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.