Home / 3,542.27-4,893.30-2,838.78

Finding the Fourth Proportional to 3,542.27, 4,893.30 and 2,838.78

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Solution

The fourth proportional to 3,542.27, 4,893.30 and 2,838.78 is: 3,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.27 : 4,893.30 = 2,838.78 : x
  2. Step 2: Convert to fraction form
    3,542.27/4,893.30 = 2,838.78/x
  3. Step 3: Cross multiply
    3,542.27x = 4,893.30 × 2,838.78
  4. Step 4: Simplify right side
    3,542.27x = 13,891,002.17
  5. Step 5: Solve for x
    x = 13,891,002.17/3,542.27
  6. Step 6: Final answer
    x = 3,921.50

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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.