Home / 2,745.22-3,790.17-2,449.98

Finding the Fourth Proportional to 2,745.22, 3,790.17 and 2,449.98

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Solution

The fourth proportional to 2,745.22, 3,790.17 and 2,449.98 is: 3,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.22 : 3,790.17 = 2,449.98 : x
  2. Step 2: Convert to fraction form
    2,745.22/3,790.17 = 2,449.98/x
  3. Step 3: Cross multiply
    2,745.22x = 3,790.17 × 2,449.98
  4. Step 4: Simplify right side
    2,745.22x = 9,285,840.70
  5. Step 5: Solve for x
    x = 9,285,840.70/2,745.22
  6. Step 6: Final answer
    x = 3,382.55

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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.