Home / 3,142.34-4,338.03-2,432.60

Finding the Fourth Proportional to 3,142.34, 4,338.03 and 2,432.60

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Solution

The fourth proportional to 3,142.34, 4,338.03 and 2,432.60 is: 3,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.34 : 4,338.03 = 2,432.60 : x
  2. Step 2: Convert to fraction form
    3,142.34/4,338.03 = 2,432.60/x
  3. Step 3: Cross multiply
    3,142.34x = 4,338.03 × 2,432.60
  4. Step 4: Simplify right side
    3,142.34x = 10,552,691.78
  5. Step 5: Solve for x
    x = 10,552,691.78/3,142.34
  6. Step 6: Final answer
    x = 3,358.23

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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.