Home / 3,948.35-5,917.05-1,480.68

Finding the Fourth Proportional to 3,948.35, 5,917.05 and 1,480.68

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Solution

The fourth proportional to 3,948.35, 5,917.05 and 1,480.68 is: 2,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.35 : 5,917.05 = 1,480.68 : x
  2. Step 2: Convert to fraction form
    3,948.35/5,917.05 = 1,480.68/x
  3. Step 3: Cross multiply
    3,948.35x = 5,917.05 × 1,480.68
  4. Step 4: Simplify right side
    3,948.35x = 8,761,257.59
  5. Step 5: Solve for x
    x = 8,761,257.59/3,948.35
  6. Step 6: Final answer
    x = 2,218.97

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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.