Home / 3,874.20-5,346.59-2,195.52

Finding the Fourth Proportional to 3,874.20, 5,346.59 and 2,195.52

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Solution

The fourth proportional to 3,874.20, 5,346.59 and 2,195.52 is: 3,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.20 : 5,346.59 = 2,195.52 : x
  2. Step 2: Convert to fraction form
    3,874.20/5,346.59 = 2,195.52/x
  3. Step 3: Cross multiply
    3,874.20x = 5,346.59 × 2,195.52
  4. Step 4: Simplify right side
    3,874.20x = 11,738,534.30
  5. Step 5: Solve for x
    x = 11,738,534.30/3,874.20
  6. Step 6: Final answer
    x = 3,029.92

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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.