Home / 2,769.39-3,824.42-2,374.11

Finding the Fourth Proportional to 2,769.39, 3,824.42 and 2,374.11

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Solution

The fourth proportional to 2,769.39, 3,824.42 and 2,374.11 is: 3,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.39 : 3,824.42 = 2,374.11 : x
  2. Step 2: Convert to fraction form
    2,769.39/3,824.42 = 2,374.11/x
  3. Step 3: Cross multiply
    2,769.39x = 3,824.42 × 2,374.11
  4. Step 4: Simplify right side
    2,769.39x = 9,079,581.90
  5. Step 5: Solve for x
    x = 9,079,581.90/2,769.39
  6. Step 6: Final answer
    x = 3,278.55

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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.