Home / 2,945.48-4,067.42-2,198.14

Finding the Fourth Proportional to 2,945.48, 4,067.42 and 2,198.14

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Solution

The fourth proportional to 2,945.48, 4,067.42 and 2,198.14 is: 3,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.48 : 4,067.42 = 2,198.14 : x
  2. Step 2: Convert to fraction form
    2,945.48/4,067.42 = 2,198.14/x
  3. Step 3: Cross multiply
    2,945.48x = 4,067.42 × 2,198.14
  4. Step 4: Simplify right side
    2,945.48x = 8,940,758.60
  5. Step 5: Solve for x
    x = 8,940,758.60/2,945.48
  6. Step 6: Final answer
    x = 3,035.42

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1.5x scale

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.