Home / 2,261.72-3,393.36-1,617.48

Finding the Fourth Proportional to 2,261.72, 3,393.36 and 1,617.48

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Solution

The fourth proportional to 2,261.72, 3,393.36 and 1,617.48 is: 2,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.72 : 3,393.36 = 1,617.48 : x
  2. Step 2: Convert to fraction form
    2,261.72/3,393.36 = 1,617.48/x
  3. Step 3: Cross multiply
    2,261.72x = 3,393.36 × 1,617.48
  4. Step 4: Simplify right side
    2,261.72x = 5,488,691.93
  5. Step 5: Solve for x
    x = 5,488,691.93/2,261.72
  6. Step 6: Final answer
    x = 2,426.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.