Home / 3,553.07-5,329.61-1,087.88

Finding the Fourth Proportional to 3,553.07, 5,329.61 and 1,087.88

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Solution

The fourth proportional to 3,553.07, 5,329.61 and 1,087.88 is: 1,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.07 : 5,329.61 = 1,087.88 : x
  2. Step 2: Convert to fraction form
    3,553.07/5,329.61 = 1,087.88/x
  3. Step 3: Cross multiply
    3,553.07x = 5,329.61 × 1,087.88
  4. Step 4: Simplify right side
    3,553.07x = 5,797,949.48
  5. Step 5: Solve for x
    x = 5,797,949.48/3,553.07
  6. Step 6: Final answer
    x = 1,631.82

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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.