Home / 1,952.20-2,929.02-1,432.72

Finding the Fourth Proportional to 1,952.20, 2,929.02 and 1,432.72

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Solution

The fourth proportional to 1,952.20, 2,929.02 and 1,432.72 is: 2,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.20 : 2,929.02 = 1,432.72 : x
  2. Step 2: Convert to fraction form
    1,952.20/2,929.02 = 1,432.72/x
  3. Step 3: Cross multiply
    1,952.20x = 2,929.02 × 1,432.72
  4. Step 4: Simplify right side
    1,952.20x = 4,196,465.53
  5. Step 5: Solve for x
    x = 4,196,465.53/1,952.20
  6. Step 6: Final answer
    x = 2,149.61

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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.