Home / 2,447.92-3,377.97-1,399.98

Finding the Fourth Proportional to 2,447.92, 3,377.97 and 1,399.98

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Solution

The fourth proportional to 2,447.92, 3,377.97 and 1,399.98 is: 1,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.92 : 3,377.97 = 1,399.98 : x
  2. Step 2: Convert to fraction form
    2,447.92/3,377.97 = 1,399.98/x
  3. Step 3: Cross multiply
    2,447.92x = 3,377.97 × 1,399.98
  4. Step 4: Simplify right side
    2,447.92x = 4,729,090.44
  5. Step 5: Solve for x
    x = 4,729,090.44/2,447.92
  6. Step 6: Final answer
    x = 1,931.88

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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.