Home / 3,844.11-5,761.40-1,868.13

Finding the Fourth Proportional to 3,844.11, 5,761.40 and 1,868.13

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Solution

The fourth proportional to 3,844.11, 5,761.40 and 1,868.13 is: 2,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.11 : 5,761.40 = 1,868.13 : x
  2. Step 2: Convert to fraction form
    3,844.11/5,761.40 = 1,868.13/x
  3. Step 3: Cross multiply
    3,844.11x = 5,761.40 × 1,868.13
  4. Step 4: Simplify right side
    3,844.11x = 10,763,044.18
  5. Step 5: Solve for x
    x = 10,763,044.18/3,844.11
  6. Step 6: Final answer
    x = 2,799.88

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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.