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Finding the Fourth Proportional to 1,819.44, 2,709.78 and 1,754.87

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Solution

The fourth proportional to 1,819.44, 2,709.78 and 1,754.87 is: 2,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.44 : 2,709.78 = 1,754.87 : x
  2. Step 2: Convert to fraction form
    1,819.44/2,709.78 = 1,754.87/x
  3. Step 3: Cross multiply
    1,819.44x = 2,709.78 × 1,754.87
  4. Step 4: Simplify right side
    1,819.44x = 4,755,298.08
  5. Step 5: Solve for x
    x = 4,755,298.08/1,819.44
  6. Step 6: Final answer
    x = 2,613.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.