Home / 3,391.44-5,077.20-2,572.92

Finding the Fourth Proportional to 3,391.44, 5,077.20 and 2,572.92

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Solution

The fourth proportional to 3,391.44, 5,077.20 and 2,572.92 is: 3,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.44 : 5,077.20 = 2,572.92 : x
  2. Step 2: Convert to fraction form
    3,391.44/5,077.20 = 2,572.92/x
  3. Step 3: Cross multiply
    3,391.44x = 5,077.20 × 2,572.92
  4. Step 4: Simplify right side
    3,391.44x = 13,063,229.42
  5. Step 5: Solve for x
    x = 13,063,229.42/3,391.44
  6. Step 6: Final answer
    x = 3,851.82

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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.