Home / 3,432.75-5,149.12-2,969.15

Finding the Fourth Proportional to 3,432.75, 5,149.12 and 2,969.15

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Solution

The fourth proportional to 3,432.75, 5,149.12 and 2,969.15 is: 4,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.75 : 5,149.12 = 2,969.15 : x
  2. Step 2: Convert to fraction form
    3,432.75/5,149.12 = 2,969.15/x
  3. Step 3: Cross multiply
    3,432.75x = 5,149.12 × 2,969.15
  4. Step 4: Simplify right side
    3,432.75x = 15,288,496.78
  5. Step 5: Solve for x
    x = 15,288,496.78/3,432.75
  6. Step 6: Final answer
    x = 4,453.72

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Similar ratio
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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.