Home / 2,247.97-3,100.98-1,408.49

Finding the Fourth Proportional to 2,247.97, 3,100.98 and 1,408.49

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Solution

The fourth proportional to 2,247.97, 3,100.98 and 1,408.49 is: 1,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.97 : 3,100.98 = 1,408.49 : x
  2. Step 2: Convert to fraction form
    2,247.97/3,100.98 = 1,408.49/x
  3. Step 3: Cross multiply
    2,247.97x = 3,100.98 × 1,408.49
  4. Step 4: Simplify right side
    2,247.97x = 4,367,700.73
  5. Step 5: Solve for x
    x = 4,367,700.73/2,247.97
  6. Step 6: Final answer
    x = 1,942.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.