Home / 2,456.26-3,685.01-724.88

Finding the Fourth Proportional to 2,456.26, 3,685.01 and 724.88

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Solution

The fourth proportional to 2,456.26, 3,685.01 and 724.88 is: 1,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.26 : 3,685.01 = 724.88 : x
  2. Step 2: Convert to fraction form
    2,456.26/3,685.01 = 724.88/x
  3. Step 3: Cross multiply
    2,456.26x = 3,685.01 × 724.88
  4. Step 4: Simplify right side
    2,456.26x = 2,671,195.64
  5. Step 5: Solve for x
    x = 2,671,195.64/2,456.26
  6. Step 6: Final answer
    x = 1,087.51

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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.