Home / 3,267.78-4,891.95-2,616.54

Finding the Fourth Proportional to 3,267.78, 4,891.95 and 2,616.54

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Solution

The fourth proportional to 3,267.78, 4,891.95 and 2,616.54 is: 3,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.78 : 4,891.95 = 2,616.54 : x
  2. Step 2: Convert to fraction form
    3,267.78/4,891.95 = 2,616.54/x
  3. Step 3: Cross multiply
    3,267.78x = 4,891.95 × 2,616.54
  4. Step 4: Simplify right side
    3,267.78x = 12,799,982.85
  5. Step 5: Solve for x
    x = 12,799,982.85/3,267.78
  6. Step 6: Final answer
    x = 3,917.03

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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.