Home / 2,647.66-3,972.85-1,167.92

Finding the Fourth Proportional to 2,647.66, 3,972.85 and 1,167.92

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Solution

The fourth proportional to 2,647.66, 3,972.85 and 1,167.92 is: 1,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.66 : 3,972.85 = 1,167.92 : x
  2. Step 2: Convert to fraction form
    2,647.66/3,972.85 = 1,167.92/x
  3. Step 3: Cross multiply
    2,647.66x = 3,972.85 × 1,167.92
  4. Step 4: Simplify right side
    2,647.66x = 4,639,970.97
  5. Step 5: Solve for x
    x = 4,639,970.97/2,647.66
  6. Step 6: Final answer
    x = 1,752.48

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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.