Home / 3,542.64-5,278.80-3,154.92

Finding the Fourth Proportional to 3,542.64, 5,278.80 and 3,154.92

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Solution

The fourth proportional to 3,542.64, 5,278.80 and 3,154.92 is: 4,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.64 : 5,278.80 = 3,154.92 : x
  2. Step 2: Convert to fraction form
    3,542.64/5,278.80 = 3,154.92/x
  3. Step 3: Cross multiply
    3,542.64x = 5,278.80 × 3,154.92
  4. Step 4: Simplify right side
    3,542.64x = 16,654,191.70
  5. Step 5: Solve for x
    x = 16,654,191.70/3,542.64
  6. Step 6: Final answer
    x = 4,701.07

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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.