Home / 2,502.20-3,750.60-1,331.44

Finding the Fourth Proportional to 2,502.20, 3,750.60 and 1,331.44

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Solution

The fourth proportional to 2,502.20, 3,750.60 and 1,331.44 is: 1,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.20 : 3,750.60 = 1,331.44 : x
  2. Step 2: Convert to fraction form
    2,502.20/3,750.60 = 1,331.44/x
  3. Step 3: Cross multiply
    2,502.20x = 3,750.60 × 1,331.44
  4. Step 4: Simplify right side
    2,502.20x = 4,993,698.86
  5. Step 5: Solve for x
    x = 4,993,698.86/2,502.20
  6. Step 6: Final answer
    x = 1,995.72

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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.