Home / 2,255.22-3,382.83-1,158.90

Finding the Fourth Proportional to 2,255.22, 3,382.83 and 1,158.90

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Solution

The fourth proportional to 2,255.22, 3,382.83 and 1,158.90 is: 1,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.22 : 3,382.83 = 1,158.90 : x
  2. Step 2: Convert to fraction form
    2,255.22/3,382.83 = 1,158.90/x
  3. Step 3: Cross multiply
    2,255.22x = 3,382.83 × 1,158.90
  4. Step 4: Simplify right side
    2,255.22x = 3,920,361.69
  5. Step 5: Solve for x
    x = 3,920,361.69/2,255.22
  6. Step 6: Final answer
    x = 1,738.35

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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.