Home / 2,717.23-4,076.07-868.61

Finding the Fourth Proportional to 2,717.23, 4,076.07 and 868.61

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Solution

The fourth proportional to 2,717.23, 4,076.07 and 868.61 is: 1,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.23 : 4,076.07 = 868.61 : x
  2. Step 2: Convert to fraction form
    2,717.23/4,076.07 = 868.61/x
  3. Step 3: Cross multiply
    2,717.23x = 4,076.07 × 868.61
  4. Step 4: Simplify right side
    2,717.23x = 3,540,490.44
  5. Step 5: Solve for x
    x = 3,540,490.44/2,717.23
  6. Step 6: Final answer
    x = 1,302.98

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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.