Home / 3,432.70-5,149.04-1,382.14

Finding the Fourth Proportional to 3,432.70, 5,149.04 and 1,382.14

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Solution

The fourth proportional to 3,432.70, 5,149.04 and 1,382.14 is: 2,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.70 : 5,149.04 = 1,382.14 : x
  2. Step 2: Convert to fraction form
    3,432.70/5,149.04 = 1,382.14/x
  3. Step 3: Cross multiply
    3,432.70x = 5,149.04 × 1,382.14
  4. Step 4: Simplify right side
    3,432.70x = 7,116,694.15
  5. Step 5: Solve for x
    x = 7,116,694.15/3,432.70
  6. Step 6: Final answer
    x = 2,073.21

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1.5x scale

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.