Home / 2,696.18-3,720.74-1,517.28

Finding the Fourth Proportional to 2,696.18, 3,720.74 and 1,517.28

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Solution

The fourth proportional to 2,696.18, 3,720.74 and 1,517.28 is: 2,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.18 : 3,720.74 = 1,517.28 : x
  2. Step 2: Convert to fraction form
    2,696.18/3,720.74 = 1,517.28/x
  3. Step 3: Cross multiply
    2,696.18x = 3,720.74 × 1,517.28
  4. Step 4: Simplify right side
    2,696.18x = 5,645,404.39
  5. Step 5: Solve for x
    x = 5,645,404.39/2,696.18
  6. Step 6: Final answer
    x = 2,093.85

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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.