Home / 2,245.20-3,098.52-1,250.48

Finding the Fourth Proportional to 2,245.20, 3,098.52 and 1,250.48

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Solution

The fourth proportional to 2,245.20, 3,098.52 and 1,250.48 is: 1,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.20 : 3,098.52 = 1,250.48 : x
  2. Step 2: Convert to fraction form
    2,245.20/3,098.52 = 1,250.48/x
  3. Step 3: Cross multiply
    2,245.20x = 3,098.52 × 1,250.48
  4. Step 4: Simplify right side
    2,245.20x = 3,874,621.80
  5. Step 5: Solve for x
    x = 3,874,621.80/2,245.20
  6. Step 6: Final answer
    x = 1,725.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.