Home / 3,874.29-5,343.69-2,383.02

Finding the Fourth Proportional to 3,874.29, 5,343.69 and 2,383.02

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Solution

The fourth proportional to 3,874.29, 5,343.69 and 2,383.02 is: 3,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.29 : 5,343.69 = 2,383.02 : x
  2. Step 2: Convert to fraction form
    3,874.29/5,343.69 = 2,383.02/x
  3. Step 3: Cross multiply
    3,874.29x = 5,343.69 × 2,383.02
  4. Step 4: Simplify right side
    3,874.29x = 12,734,120.14
  5. Step 5: Solve for x
    x = 12,734,120.14/3,874.29
  6. Step 6: Final answer
    x = 3,286.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.