Home / 3,882.26-5,357.52-2,113.88

Finding the Fourth Proportional to 3,882.26, 5,357.52 and 2,113.88

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Solution

The fourth proportional to 3,882.26, 5,357.52 and 2,113.88 is: 2,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.26 : 5,357.52 = 2,113.88 : x
  2. Step 2: Convert to fraction form
    3,882.26/5,357.52 = 2,113.88/x
  3. Step 3: Cross multiply
    3,882.26x = 5,357.52 × 2,113.88
  4. Step 4: Simplify right side
    3,882.26x = 11,325,127.59
  5. Step 5: Solve for x
    x = 11,325,127.59/3,882.26
  6. Step 6: Final answer
    x = 2,917.15

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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.