Home / 3,432.48-5,149.18-1,240.92

Finding the Fourth Proportional to 3,432.48, 5,149.18 and 1,240.92

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Solution

The fourth proportional to 3,432.48, 5,149.18 and 1,240.92 is: 1,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.48 : 5,149.18 = 1,240.92 : x
  2. Step 2: Convert to fraction form
    3,432.48/5,149.18 = 1,240.92/x
  3. Step 3: Cross multiply
    3,432.48x = 5,149.18 × 1,240.92
  4. Step 4: Simplify right side
    3,432.48x = 6,389,720.45
  5. Step 5: Solve for x
    x = 6,389,720.45/3,432.48
  6. Step 6: Final answer
    x = 1,861.55

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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.