Home / 2,575.04-3,862.79-726.17

Finding the Fourth Proportional to 2,575.04, 3,862.79 and 726.17

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Solution

The fourth proportional to 2,575.04, 3,862.79 and 726.17 is: 1,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.04 : 3,862.79 = 726.17 : x
  2. Step 2: Convert to fraction form
    2,575.04/3,862.79 = 726.17/x
  3. Step 3: Cross multiply
    2,575.04x = 3,862.79 × 726.17
  4. Step 4: Simplify right side
    2,575.04x = 2,805,021.99
  5. Step 5: Solve for x
    x = 2,805,021.99/2,575.04
  6. Step 6: Final answer
    x = 1,089.31

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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.