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Finding the Fourth Proportional to 1,819.66, 2,729.48 and 1,452.73

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Solution

The fourth proportional to 1,819.66, 2,729.48 and 1,452.73 is: 2,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.66 : 2,729.48 = 1,452.73 : x
  2. Step 2: Convert to fraction form
    1,819.66/2,729.48 = 1,452.73/x
  3. Step 3: Cross multiply
    1,819.66x = 2,729.48 × 1,452.73
  4. Step 4: Simplify right side
    1,819.66x = 3,965,194.29
  5. Step 5: Solve for x
    x = 3,965,194.29/1,819.66
  6. Step 6: Final answer
    x = 2,179.09

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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.