Home / 2,565.19-3,540.87-1,517.25

Finding the Fourth Proportional to 2,565.19, 3,540.87 and 1,517.25

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Solution

The fourth proportional to 2,565.19, 3,540.87 and 1,517.25 is: 2,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.19 : 3,540.87 = 1,517.25 : x
  2. Step 2: Convert to fraction form
    2,565.19/3,540.87 = 1,517.25/x
  3. Step 3: Cross multiply
    2,565.19x = 3,540.87 × 1,517.25
  4. Step 4: Simplify right side
    2,565.19x = 5,372,385.01
  5. Step 5: Solve for x
    x = 5,372,385.01/2,565.19
  6. Step 6: Final answer
    x = 2,094.34

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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.