Home / 2,853.72-4,273.62-1,617.38

Finding the Fourth Proportional to 2,853.72, 4,273.62 and 1,617.38

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Solution

The fourth proportional to 2,853.72, 4,273.62 and 1,617.38 is: 2,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.72 : 4,273.62 = 1,617.38 : x
  2. Step 2: Convert to fraction form
    2,853.72/4,273.62 = 1,617.38/x
  3. Step 3: Cross multiply
    2,853.72x = 4,273.62 × 1,617.38
  4. Step 4: Simplify right side
    2,853.72x = 6,912,046.15
  5. Step 5: Solve for x
    x = 6,912,046.15/2,853.72
  6. Step 6: Final answer
    x = 2,422.12

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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.