Home / 2,695.78-3,720.36-1,517.14

Finding the Fourth Proportional to 2,695.78, 3,720.36 and 1,517.14

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Solution

The fourth proportional to 2,695.78, 3,720.36 and 1,517.14 is: 2,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.78 : 3,720.36 = 1,517.14 : x
  2. Step 2: Convert to fraction form
    2,695.78/3,720.36 = 1,517.14/x
  3. Step 3: Cross multiply
    2,695.78x = 3,720.36 × 1,517.14
  4. Step 4: Simplify right side
    2,695.78x = 5,644,306.97
  5. Step 5: Solve for x
    x = 5,644,306.97/2,695.78
  6. Step 6: Final answer
    x = 2,093.76

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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.