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Finding the Fourth Proportional to 3,442, 5,163.38 and 1,250.24

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Solution

The fourth proportional to 3,442, 5,163.38 and 1,250.24 is: 1,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442 : 5,163.38 = 1,250.24 : x
  2. Step 2: Convert to fraction form
    3,442/5,163.38 = 1,250.24/x
  3. Step 3: Cross multiply
    3,442x = 5,163.38 × 1,250.24
  4. Step 4: Simplify right side
    3,442x = 6,455,464.21
  5. Step 5: Solve for x
    x = 6,455,464.21/3,442
  6. Step 6: Final answer
    x = 1,875.50

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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.