Home / 2,343.20-3,233-1,398.96

Finding the Fourth Proportional to 2,343.20, 3,233 and 1,398.96

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Solution

The fourth proportional to 2,343.20, 3,233 and 1,398.96 is: 1,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.20 : 3,233 = 1,398.96 : x
  2. Step 2: Convert to fraction form
    2,343.20/3,233 = 1,398.96/x
  3. Step 3: Cross multiply
    2,343.20x = 3,233 × 1,398.96
  4. Step 4: Simplify right side
    2,343.20x = 4,522,837.68
  5. Step 5: Solve for x
    x = 4,522,837.68/2,343.20
  6. Step 6: Final answer
    x = 1,930.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.