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Finding the Fourth Proportional to 3,625, 5,437.89 and 1,159.24

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Solution

The fourth proportional to 3,625, 5,437.89 and 1,159.24 is: 1,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625 : 5,437.89 = 1,159.24 : x
  2. Step 2: Convert to fraction form
    3,625/5,437.89 = 1,159.24/x
  3. Step 3: Cross multiply
    3,625x = 5,437.89 × 1,159.24
  4. Step 4: Simplify right side
    3,625x = 6,303,819.60
  5. Step 5: Solve for x
    x = 6,303,819.60/3,625
  6. Step 6: Final answer
    x = 1,738.98

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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.