Home / 1,498.80-2,248.17-403.13

Finding the Fourth Proportional to 1,498.80, 2,248.17 and 403.13

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Solution

The fourth proportional to 1,498.80, 2,248.17 and 403.13 is: 604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.80 : 2,248.17 = 403.13 : x
  2. Step 2: Convert to fraction form
    1,498.80/2,248.17 = 403.13/x
  3. Step 3: Cross multiply
    1,498.80x = 2,248.17 × 403.13
  4. Step 4: Simplify right side
    1,498.80x = 906,293.53
  5. Step 5: Solve for x
    x = 906,293.53/1,498.80
  6. Step 6: Final answer
    x = 604.68

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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.