Home / 2,748.62-4,123.13-1,105.17

Finding the Fourth Proportional to 2,748.62, 4,123.13 and 1,105.17

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Solution

The fourth proportional to 2,748.62, 4,123.13 and 1,105.17 is: 1,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.62 : 4,123.13 = 1,105.17 : x
  2. Step 2: Convert to fraction form
    2,748.62/4,123.13 = 1,105.17/x
  3. Step 3: Cross multiply
    2,748.62x = 4,123.13 × 1,105.17
  4. Step 4: Simplify right side
    2,748.62x = 4,556,754.06
  5. Step 5: Solve for x
    x = 4,556,754.06/2,748.62
  6. Step 6: Final answer
    x = 1,657.83

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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.