Home / 3,132.62-4,321.36-2,542.12

Finding the Fourth Proportional to 3,132.62, 4,321.36 and 2,542.12

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Solution

The fourth proportional to 3,132.62, 4,321.36 and 2,542.12 is: 3,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.62 : 4,321.36 = 2,542.12 : x
  2. Step 2: Convert to fraction form
    3,132.62/4,321.36 = 2,542.12/x
  3. Step 3: Cross multiply
    3,132.62x = 4,321.36 × 2,542.12
  4. Step 4: Simplify right side
    3,132.62x = 10,985,415.68
  5. Step 5: Solve for x
    x = 10,985,415.68/3,132.62
  6. Step 6: Final answer
    x = 3,506.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.