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Finding the Fourth Proportional to 2,358.25, 3,537.38 and 819.25

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Solution

The fourth proportional to 2,358.25, 3,537.38 and 819.25 is: 1,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.25 : 3,537.38 = 819.25 : x
  2. Step 2: Convert to fraction form
    2,358.25/3,537.38 = 819.25/x
  3. Step 3: Cross multiply
    2,358.25x = 3,537.38 × 819.25
  4. Step 4: Simplify right side
    2,358.25x = 2,897,998.57
  5. Step 5: Solve for x
    x = 2,897,998.57/2,358.25
  6. Step 6: Final answer
    x = 1,228.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.