Home / 2,251.76-3,376.44-1,155.68

Finding the Fourth Proportional to 2,251.76, 3,376.44 and 1,155.68

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Solution

The fourth proportional to 2,251.76, 3,376.44 and 1,155.68 is: 1,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.76 : 3,376.44 = 1,155.68 : x
  2. Step 2: Convert to fraction form
    2,251.76/3,376.44 = 1,155.68/x
  3. Step 3: Cross multiply
    2,251.76x = 3,376.44 × 1,155.68
  4. Step 4: Simplify right side
    2,251.76x = 3,902,084.18
  5. Step 5: Solve for x
    x = 3,902,084.18/2,251.76
  6. Step 6: Final answer
    x = 1,732.90

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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.