Home / 3,753.73-5,630.52-1,121.24

Finding the Fourth Proportional to 3,753.73, 5,630.52 and 1,121.24

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Solution

The fourth proportional to 3,753.73, 5,630.52 and 1,121.24 is: 1,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.73 : 5,630.52 = 1,121.24 : x
  2. Step 2: Convert to fraction form
    3,753.73/5,630.52 = 1,121.24/x
  3. Step 3: Cross multiply
    3,753.73x = 5,630.52 × 1,121.24
  4. Step 4: Simplify right side
    3,753.73x = 6,313,159.19
  5. Step 5: Solve for x
    x = 6,313,159.19/3,753.73
  6. Step 6: Final answer
    x = 1,681.84

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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.