Home / 2,517.26-3,778-1,057.44

Finding the Fourth Proportional to 2,517.26, 3,778 and 1,057.44

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Solution

The fourth proportional to 2,517.26, 3,778 and 1,057.44 is: 1,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.26 : 3,778 = 1,057.44 : x
  2. Step 2: Convert to fraction form
    2,517.26/3,778 = 1,057.44/x
  3. Step 3: Cross multiply
    2,517.26x = 3,778 × 1,057.44
  4. Step 4: Simplify right side
    2,517.26x = 3,995,008.32
  5. Step 5: Solve for x
    x = 3,995,008.32/2,517.26
  6. Step 6: Final answer
    x = 1,587.05

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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.