Home / 2,391.44-3,299.92-1,343.28

Finding the Fourth Proportional to 2,391.44, 3,299.92 and 1,343.28

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Solution

The fourth proportional to 2,391.44, 3,299.92 and 1,343.28 is: 1,853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.44 : 3,299.92 = 1,343.28 : x
  2. Step 2: Convert to fraction form
    2,391.44/3,299.92 = 1,343.28/x
  3. Step 3: Cross multiply
    2,391.44x = 3,299.92 × 1,343.28
  4. Step 4: Simplify right side
    2,391.44x = 4,432,716.54
  5. Step 5: Solve for x
    x = 4,432,716.54/2,391.44
  6. Step 6: Final answer
    x = 1,853.58

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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.