Home / 2,647.75-3,943.65-2,508.97

Finding the Fourth Proportional to 2,647.75, 3,943.65 and 2,508.97

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Solution

The fourth proportional to 2,647.75, 3,943.65 and 2,508.97 is: 3,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.75 : 3,943.65 = 2,508.97 : x
  2. Step 2: Convert to fraction form
    2,647.75/3,943.65 = 2,508.97/x
  3. Step 3: Cross multiply
    2,647.75x = 3,943.65 × 2,508.97
  4. Step 4: Simplify right side
    2,647.75x = 9,894,499.54
  5. Step 5: Solve for x
    x = 9,894,499.54/2,647.75
  6. Step 6: Final answer
    x = 3,736.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.