Home / 3,863.84-5,791.68-1,266.08

Finding the Fourth Proportional to 3,863.84, 5,791.68 and 1,266.08

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Solution

The fourth proportional to 3,863.84, 5,791.68 and 1,266.08 is: 1,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.84 : 5,791.68 = 1,266.08 : x
  2. Step 2: Convert to fraction form
    3,863.84/5,791.68 = 1,266.08/x
  3. Step 3: Cross multiply
    3,863.84x = 5,791.68 × 1,266.08
  4. Step 4: Simplify right side
    3,863.84x = 7,332,730.21
  5. Step 5: Solve for x
    x = 7,332,730.21/3,863.84
  6. Step 6: Final answer
    x = 1,897.78

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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.