Home / 2,231.38-3,338.61-1,350.64

Finding the Fourth Proportional to 2,231.38, 3,338.61 and 1,350.64

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Solution

The fourth proportional to 2,231.38, 3,338.61 and 1,350.64 is: 2,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.38 : 3,338.61 = 1,350.64 : x
  2. Step 2: Convert to fraction form
    2,231.38/3,338.61 = 1,350.64/x
  3. Step 3: Cross multiply
    2,231.38x = 3,338.61 × 1,350.64
  4. Step 4: Simplify right side
    2,231.38x = 4,509,260.21
  5. Step 5: Solve for x
    x = 4,509,260.21/2,231.38
  6. Step 6: Final answer
    x = 2,020.84

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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.