Home / 3,025.90-4,540.45-1,382.70

Finding the Fourth Proportional to 3,025.90, 4,540.45 and 1,382.70

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Solution

The fourth proportional to 3,025.90, 4,540.45 and 1,382.70 is: 2,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.90 : 4,540.45 = 1,382.70 : x
  2. Step 2: Convert to fraction form
    3,025.90/4,540.45 = 1,382.70/x
  3. Step 3: Cross multiply
    3,025.90x = 4,540.45 × 1,382.70
  4. Step 4: Simplify right side
    3,025.90x = 6,278,080.22
  5. Step 5: Solve for x
    x = 6,278,080.22/3,025.90
  6. Step 6: Final answer
    x = 2,074.78

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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.