Home / 2,575.04-3,863.15-726.12

Finding the Fourth Proportional to 2,575.04, 3,863.15 and 726.12

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Solution

The fourth proportional to 2,575.04, 3,863.15 and 726.12 is: 1,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.04 : 3,863.15 = 726.12 : x
  2. Step 2: Convert to fraction form
    2,575.04/3,863.15 = 726.12/x
  3. Step 3: Cross multiply
    2,575.04x = 3,863.15 × 726.12
  4. Step 4: Simplify right side
    2,575.04x = 2,805,106.85
  5. Step 5: Solve for x
    x = 2,805,106.85/2,575.04
  6. Step 6: Final answer
    x = 1,089.35

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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.