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Finding the Fourth Proportional to 3,553.29, 5,325.29 and 1,907.91

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Solution

The fourth proportional to 3,553.29, 5,325.29 and 1,907.91 is: 2,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.29 : 5,325.29 = 1,907.91 : x
  2. Step 2: Convert to fraction form
    3,553.29/5,325.29 = 1,907.91/x
  3. Step 3: Cross multiply
    3,553.29x = 5,325.29 × 1,907.91
  4. Step 4: Simplify right side
    3,553.29x = 10,160,174.04
  5. Step 5: Solve for x
    x = 10,160,174.04/3,553.29
  6. Step 6: Final answer
    x = 2,859.37

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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.