Home / 2,696.09-3,720.60-1,517.15

Finding the Fourth Proportional to 2,696.09, 3,720.60 and 1,517.15

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Solution

The fourth proportional to 2,696.09, 3,720.60 and 1,517.15 is: 2,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.09 : 3,720.60 = 1,517.15 : x
  2. Step 2: Convert to fraction form
    2,696.09/3,720.60 = 1,517.15/x
  3. Step 3: Cross multiply
    2,696.09x = 3,720.60 × 1,517.15
  4. Step 4: Simplify right side
    2,696.09x = 5,644,708.29
  5. Step 5: Solve for x
    x = 5,644,708.29/2,696.09
  6. Step 6: Final answer
    x = 2,093.66

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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.