Home / 2,251.20-3,377.36-1,327.52

Finding the Fourth Proportional to 2,251.20, 3,377.36 and 1,327.52

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Solution

The fourth proportional to 2,251.20, 3,377.36 and 1,327.52 is: 1,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.20 : 3,377.36 = 1,327.52 : x
  2. Step 2: Convert to fraction form
    2,251.20/3,377.36 = 1,327.52/x
  3. Step 3: Cross multiply
    2,251.20x = 3,377.36 × 1,327.52
  4. Step 4: Simplify right side
    2,251.20x = 4,483,512.95
  5. Step 5: Solve for x
    x = 4,483,512.95/2,251.20
  6. Step 6: Final answer
    x = 1,991.61

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1.5x scale

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.