Home / 3,821.70-5,724.45-3,173.70

Finding the Fourth Proportional to 3,821.70, 5,724.45 and 3,173.70

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Solution

The fourth proportional to 3,821.70, 5,724.45 and 3,173.70 is: 4,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.70 : 5,724.45 = 3,173.70 : x
  2. Step 2: Convert to fraction form
    3,821.70/5,724.45 = 3,173.70/x
  3. Step 3: Cross multiply
    3,821.70x = 5,724.45 × 3,173.70
  4. Step 4: Simplify right side
    3,821.70x = 18,167,686.97
  5. Step 5: Solve for x
    x = 18,167,686.97/3,821.70
  6. Step 6: Final answer
    x = 4,753.82

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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.