Home / 2,696.04-3,720.60-1,517.28

Finding the Fourth Proportional to 2,696.04, 3,720.60 and 1,517.28

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Solution

The fourth proportional to 2,696.04, 3,720.60 and 1,517.28 is: 2,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.04 : 3,720.60 = 1,517.28 : x
  2. Step 2: Convert to fraction form
    2,696.04/3,720.60 = 1,517.28/x
  3. Step 3: Cross multiply
    2,696.04x = 3,720.60 × 1,517.28
  4. Step 4: Simplify right side
    2,696.04x = 5,645,191.97
  5. Step 5: Solve for x
    x = 5,645,191.97/2,696.04
  6. Step 6: Final answer
    x = 2,093.88

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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.