Home / 2,231.57-3,346.94-998.75

Finding the Fourth Proportional to 2,231.57, 3,346.94 and 998.75

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Solution

The fourth proportional to 2,231.57, 3,346.94 and 998.75 is: 1,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.57 : 3,346.94 = 998.75 : x
  2. Step 2: Convert to fraction form
    2,231.57/3,346.94 = 998.75/x
  3. Step 3: Cross multiply
    2,231.57x = 3,346.94 × 998.75
  4. Step 4: Simplify right side
    2,231.57x = 3,342,767.19
  5. Step 5: Solve for x
    x = 3,342,767.19/2,231.57
  6. Step 6: Final answer
    x = 1,497.94

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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.