Home / 3,839.28-5,298.18-2,442

Finding the Fourth Proportional to 3,839.28, 5,298.18 and 2,442

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Solution

The fourth proportional to 3,839.28, 5,298.18 and 2,442 is: 3,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.28 : 5,298.18 = 2,442 : x
  2. Step 2: Convert to fraction form
    3,839.28/5,298.18 = 2,442/x
  3. Step 3: Cross multiply
    3,839.28x = 5,298.18 × 2,442
  4. Step 4: Simplify right side
    3,839.28x = 12,938,155.56
  5. Step 5: Solve for x
    x = 12,938,155.56/3,839.28
  6. Step 6: Final answer
    x = 3,369.94

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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.