Home / 3,982.28-5,493.28-2,488.37

Finding the Fourth Proportional to 3,982.28, 5,493.28 and 2,488.37

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Solution

The fourth proportional to 3,982.28, 5,493.28 and 2,488.37 is: 3,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.28 : 5,493.28 = 2,488.37 : x
  2. Step 2: Convert to fraction form
    3,982.28/5,493.28 = 2,488.37/x
  3. Step 3: Cross multiply
    3,982.28x = 5,493.28 × 2,488.37
  4. Step 4: Simplify right side
    3,982.28x = 13,669,313.15
  5. Step 5: Solve for x
    x = 13,669,313.15/3,982.28
  6. Step 6: Final answer
    x = 3,432.53

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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.