Home / 2,542.14-3,507.95-1,423.11

Finding the Fourth Proportional to 2,542.14, 3,507.95 and 1,423.11

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Solution

The fourth proportional to 2,542.14, 3,507.95 and 1,423.11 is: 1,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.14 : 3,507.95 = 1,423.11 : x
  2. Step 2: Convert to fraction form
    2,542.14/3,507.95 = 1,423.11/x
  3. Step 3: Cross multiply
    2,542.14x = 3,507.95 × 1,423.11
  4. Step 4: Simplify right side
    2,542.14x = 4,992,191.61
  5. Step 5: Solve for x
    x = 4,992,191.61/2,542.14
  6. Step 6: Final answer
    x = 1,963.78

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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.