Home / 2,251.27-3,378.36-1,096.39

Finding the Fourth Proportional to 2,251.27, 3,378.36 and 1,096.39

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Solution

The fourth proportional to 2,251.27, 3,378.36 and 1,096.39 is: 1,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.27 : 3,378.36 = 1,096.39 : x
  2. Step 2: Convert to fraction form
    2,251.27/3,378.36 = 1,096.39/x
  3. Step 3: Cross multiply
    2,251.27x = 3,378.36 × 1,096.39
  4. Step 4: Simplify right side
    2,251.27x = 3,704,000.12
  5. Step 5: Solve for x
    x = 3,704,000.12/2,251.27
  6. Step 6: Final answer
    x = 1,645.29

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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.