Home / 2,717.19-4,076.24-868.77

Finding the Fourth Proportional to 2,717.19, 4,076.24 and 868.77

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Solution

The fourth proportional to 2,717.19, 4,076.24 and 868.77 is: 1,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.19 : 4,076.24 = 868.77 : x
  2. Step 2: Convert to fraction form
    2,717.19/4,076.24 = 868.77/x
  3. Step 3: Cross multiply
    2,717.19x = 4,076.24 × 868.77
  4. Step 4: Simplify right side
    2,717.19x = 3,541,310.68
  5. Step 5: Solve for x
    x = 3,541,310.68/2,717.19
  6. Step 6: Final answer
    x = 1,303.30

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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.