Home / 3,425.88-5,143.68-3,269.28

Finding the Fourth Proportional to 3,425.88, 5,143.68 and 3,269.28

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Solution

The fourth proportional to 3,425.88, 5,143.68 and 3,269.28 is: 4,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.88 : 5,143.68 = 3,269.28 : x
  2. Step 2: Convert to fraction form
    3,425.88/5,143.68 = 3,269.28/x
  3. Step 3: Cross multiply
    3,425.88x = 5,143.68 × 3,269.28
  4. Step 4: Simplify right side
    3,425.88x = 16,816,130.15
  5. Step 5: Solve for x
    x = 16,816,130.15/3,425.88
  6. Step 6: Final answer
    x = 4,908.56

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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.