Home / 2,584.78-3,876.66-1,267.97

Finding the Fourth Proportional to 2,584.78, 3,876.66 and 1,267.97

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Solution

The fourth proportional to 2,584.78, 3,876.66 and 1,267.97 is: 1,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.78 : 3,876.66 = 1,267.97 : x
  2. Step 2: Convert to fraction form
    2,584.78/3,876.66 = 1,267.97/x
  3. Step 3: Cross multiply
    2,584.78x = 3,876.66 × 1,267.97
  4. Step 4: Simplify right side
    2,584.78x = 4,915,488.58
  5. Step 5: Solve for x
    x = 4,915,488.58/2,584.78
  6. Step 6: Final answer
    x = 1,901.70

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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.