Home / 2,447.14-3,377.64-1,399.82

Finding the Fourth Proportional to 2,447.14, 3,377.64 and 1,399.82

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Solution

The fourth proportional to 2,447.14, 3,377.64 and 1,399.82 is: 1,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.14 : 3,377.64 = 1,399.82 : x
  2. Step 2: Convert to fraction form
    2,447.14/3,377.64 = 1,399.82/x
  3. Step 3: Cross multiply
    2,447.14x = 3,377.64 × 1,399.82
  4. Step 4: Simplify right side
    2,447.14x = 4,728,088.02
  5. Step 5: Solve for x
    x = 4,728,088.02/2,447.14
  6. Step 6: Final answer
    x = 1,932.09

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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.