Home / 2,183.14-3,272.86-949.62

Finding the Fourth Proportional to 2,183.14, 3,272.86 and 949.62

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Solution

The fourth proportional to 2,183.14, 3,272.86 and 949.62 is: 1,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.14 : 3,272.86 = 949.62 : x
  2. Step 2: Convert to fraction form
    2,183.14/3,272.86 = 949.62/x
  3. Step 3: Cross multiply
    2,183.14x = 3,272.86 × 949.62
  4. Step 4: Simplify right side
    2,183.14x = 3,107,973.31
  5. Step 5: Solve for x
    x = 3,107,973.31/2,183.14
  6. Step 6: Final answer
    x = 1,423.63

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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.