Home / 2,199.14-3,299.06-717.87

Finding the Fourth Proportional to 2,199.14, 3,299.06 and 717.87

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Solution

The fourth proportional to 2,199.14, 3,299.06 and 717.87 is: 1,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.14 : 3,299.06 = 717.87 : x
  2. Step 2: Convert to fraction form
    2,199.14/3,299.06 = 717.87/x
  3. Step 3: Cross multiply
    2,199.14x = 3,299.06 × 717.87
  4. Step 4: Simplify right side
    2,199.14x = 2,368,296.20
  5. Step 5: Solve for x
    x = 2,368,296.20/2,199.14
  6. Step 6: Final answer
    x = 1,076.92

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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.