Home / 2,251.85-3,377.21-1,155.33

Finding the Fourth Proportional to 2,251.85, 3,377.21 and 1,155.33

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Solution

The fourth proportional to 2,251.85, 3,377.21 and 1,155.33 is: 1,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.85 : 3,377.21 = 1,155.33 : x
  2. Step 2: Convert to fraction form
    2,251.85/3,377.21 = 1,155.33/x
  3. Step 3: Cross multiply
    2,251.85x = 3,377.21 × 1,155.33
  4. Step 4: Simplify right side
    2,251.85x = 3,901,786.25
  5. Step 5: Solve for x
    x = 3,901,786.25/2,251.85
  6. Step 6: Final answer
    x = 1,732.71

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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.