Home / 3,553.71-5,329.53-1,087.98

Finding the Fourth Proportional to 3,553.71, 5,329.53 and 1,087.98

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Solution

The fourth proportional to 3,553.71, 5,329.53 and 1,087.98 is: 1,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.71 : 5,329.53 = 1,087.98 : x
  2. Step 2: Convert to fraction form
    3,553.71/5,329.53 = 1,087.98/x
  3. Step 3: Cross multiply
    3,553.71x = 5,329.53 × 1,087.98
  4. Step 4: Simplify right side
    3,553.71x = 5,798,422.05
  5. Step 5: Solve for x
    x = 5,798,422.05/3,553.71
  6. Step 6: Final answer
    x = 1,631.65

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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.