Home / 2,717.30-4,063.80-2,279.90

Finding the Fourth Proportional to 2,717.30, 4,063.80 and 2,279.90

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Solution

The fourth proportional to 2,717.30, 4,063.80 and 2,279.90 is: 3,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.30 : 4,063.80 = 2,279.90 : x
  2. Step 2: Convert to fraction form
    2,717.30/4,063.80 = 2,279.90/x
  3. Step 3: Cross multiply
    2,717.30x = 4,063.80 × 2,279.90
  4. Step 4: Simplify right side
    2,717.30x = 9,265,057.62
  5. Step 5: Solve for x
    x = 9,265,057.62/2,717.30
  6. Step 6: Final answer
    x = 3,409.66

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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.