Home / 3,721.97-5,585.64-1,382.30

Finding the Fourth Proportional to 3,721.97, 5,585.64 and 1,382.30

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Solution

The fourth proportional to 3,721.97, 5,585.64 and 1,382.30 is: 2,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.97 : 5,585.64 = 1,382.30 : x
  2. Step 2: Convert to fraction form
    3,721.97/5,585.64 = 1,382.30/x
  3. Step 3: Cross multiply
    3,721.97x = 5,585.64 × 1,382.30
  4. Step 4: Simplify right side
    3,721.97x = 7,721,002.24
  5. Step 5: Solve for x
    x = 7,721,002.24/3,721.97
  6. Step 6: Final answer
    x = 2,074.44

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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.