Home / 2,944.80-4,067.97-2,789.28

Finding the Fourth Proportional to 2,944.80, 4,067.97 and 2,789.28

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Solution

The fourth proportional to 2,944.80, 4,067.97 and 2,789.28 is: 3,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.80 : 4,067.97 = 2,789.28 : x
  2. Step 2: Convert to fraction form
    2,944.80/4,067.97 = 2,789.28/x
  3. Step 3: Cross multiply
    2,944.80x = 4,067.97 × 2,789.28
  4. Step 4: Simplify right side
    2,944.80x = 11,346,707.36
  5. Step 5: Solve for x
    x = 11,346,707.36/2,944.80
  6. Step 6: Final answer
    x = 3,853.13

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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.