Home / 3,945.44-5,919.10-1,348.40

Finding the Fourth Proportional to 3,945.44, 5,919.10 and 1,348.40

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Solution

The fourth proportional to 3,945.44, 5,919.10 and 1,348.40 is: 2,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.44 : 5,919.10 = 1,348.40 : x
  2. Step 2: Convert to fraction form
    3,945.44/5,919.10 = 1,348.40/x
  3. Step 3: Cross multiply
    3,945.44x = 5,919.10 × 1,348.40
  4. Step 4: Simplify right side
    3,945.44x = 7,981,314.44
  5. Step 5: Solve for x
    x = 7,981,314.44/3,945.44
  6. Step 6: Final answer
    x = 2,022.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.