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Finding the Fourth Proportional to 2,542, 3,508.26 and 1,423.12

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Solution

The fourth proportional to 2,542, 3,508.26 and 1,423.12 is: 1,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542 : 3,508.26 = 1,423.12 : x
  2. Step 2: Convert to fraction form
    2,542/3,508.26 = 1,423.12/x
  3. Step 3: Cross multiply
    2,542x = 3,508.26 × 1,423.12
  4. Step 4: Simplify right side
    2,542x = 4,992,674.97
  5. Step 5: Solve for x
    x = 4,992,674.97/2,542
  6. Step 6: Final answer
    x = 1,964.07

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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.