Home / 3,542.52-5,288.20-3,286.12

Finding the Fourth Proportional to 3,542.52, 5,288.20 and 3,286.12

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Solution

The fourth proportional to 3,542.52, 5,288.20 and 3,286.12 is: 4,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.52 : 5,288.20 = 3,286.12 : x
  2. Step 2: Convert to fraction form
    3,542.52/5,288.20 = 3,286.12/x
  3. Step 3: Cross multiply
    3,542.52x = 5,288.20 × 3,286.12
  4. Step 4: Simplify right side
    3,542.52x = 17,377,659.78
  5. Step 5: Solve for x
    x = 17,377,659.78/3,542.52
  6. Step 6: Final answer
    x = 4,905.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.