Home / 2,548.56-3,517.16-1,917.96

Finding the Fourth Proportional to 2,548.56, 3,517.16 and 1,917.96

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Solution

The fourth proportional to 2,548.56, 3,517.16 and 1,917.96 is: 2,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.56 : 3,517.16 = 1,917.96 : x
  2. Step 2: Convert to fraction form
    2,548.56/3,517.16 = 1,917.96/x
  3. Step 3: Cross multiply
    2,548.56x = 3,517.16 × 1,917.96
  4. Step 4: Simplify right side
    2,548.56x = 6,745,745.02
  5. Step 5: Solve for x
    x = 6,745,745.02/2,548.56
  6. Step 6: Final answer
    x = 2,646.88

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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.