Home / 3,848.43-5,769.19-1,382.68

Finding the Fourth Proportional to 3,848.43, 5,769.19 and 1,382.68

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Solution

The fourth proportional to 3,848.43, 5,769.19 and 1,382.68 is: 2,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.43 : 5,769.19 = 1,382.68 : x
  2. Step 2: Convert to fraction form
    3,848.43/5,769.19 = 1,382.68/x
  3. Step 3: Cross multiply
    3,848.43x = 5,769.19 × 1,382.68
  4. Step 4: Simplify right side
    3,848.43x = 7,976,943.63
  5. Step 5: Solve for x
    x = 7,976,943.63/3,848.43
  6. Step 6: Final answer
    x = 2,072.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.