Home / 2,696.13-3,720.36-1,517.18

Finding the Fourth Proportional to 2,696.13, 3,720.36 and 1,517.18

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Solution

The fourth proportional to 2,696.13, 3,720.36 and 1,517.18 is: 2,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.13 : 3,720.36 = 1,517.18 : x
  2. Step 2: Convert to fraction form
    2,696.13/3,720.36 = 1,517.18/x
  3. Step 3: Cross multiply
    2,696.13x = 3,720.36 × 1,517.18
  4. Step 4: Simplify right side
    2,696.13x = 5,644,429.60
  5. Step 5: Solve for x
    x = 5,644,429.60/2,696.13
  6. Step 6: Final answer
    x = 2,093.53

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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.