Home / 3,927.49-5,419.24-2,882.05

Finding the Fourth Proportional to 3,927.49, 5,419.24 and 2,882.05

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Solution

The fourth proportional to 3,927.49, 5,419.24 and 2,882.05 is: 3,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.49 : 5,419.24 = 2,882.05 : x
  2. Step 2: Convert to fraction form
    3,927.49/5,419.24 = 2,882.05/x
  3. Step 3: Cross multiply
    3,927.49x = 5,419.24 × 2,882.05
  4. Step 4: Simplify right side
    3,927.49x = 15,618,520.64
  5. Step 5: Solve for x
    x = 15,618,520.64/3,927.49
  6. Step 6: Final answer
    x = 3,976.72

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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.