Home / 2,696.25-3,720.42-1,517.30

Finding the Fourth Proportional to 2,696.25, 3,720.42 and 1,517.30

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Solution

The fourth proportional to 2,696.25, 3,720.42 and 1,517.30 is: 2,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.25 : 3,720.42 = 1,517.30 : x
  2. Step 2: Convert to fraction form
    2,696.25/3,720.42 = 1,517.30/x
  3. Step 3: Cross multiply
    2,696.25x = 3,720.42 × 1,517.30
  4. Step 4: Simplify right side
    2,696.25x = 5,644,974.66
  5. Step 5: Solve for x
    x = 5,644,974.66/2,696.25
  6. Step 6: Final answer
    x = 2,093.64

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1.5x scale

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.