Home / 3,725.22-5,585.78-1,127.82

Finding the Fourth Proportional to 3,725.22, 5,585.78 and 1,127.82

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Solution

The fourth proportional to 3,725.22, 5,585.78 and 1,127.82 is: 1,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.22 : 5,585.78 = 1,127.82 : x
  2. Step 2: Convert to fraction form
    3,725.22/5,585.78 = 1,127.82/x
  3. Step 3: Cross multiply
    3,725.22x = 5,585.78 × 1,127.82
  4. Step 4: Simplify right side
    3,725.22x = 6,299,754.40
  5. Step 5: Solve for x
    x = 6,299,754.40/3,725.22
  6. Step 6: Final answer
    x = 1,691.11

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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.