Home / 3,432.76-5,151.84-1,972.60

Finding the Fourth Proportional to 3,432.76, 5,151.84 and 1,972.60

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Solution

The fourth proportional to 3,432.76, 5,151.84 and 1,972.60 is: 2,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.76 : 5,151.84 = 1,972.60 : x
  2. Step 2: Convert to fraction form
    3,432.76/5,151.84 = 1,972.60/x
  3. Step 3: Cross multiply
    3,432.76x = 5,151.84 × 1,972.60
  4. Step 4: Simplify right side
    3,432.76x = 10,162,519.58
  5. Step 5: Solve for x
    x = 10,162,519.58/3,432.76
  6. Step 6: Final answer
    x = 2,960.45

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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.