Home / 1,845.30-2,767.92-1,480.80

Finding the Fourth Proportional to 1,845.30, 2,767.92 and 1,480.80

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Solution

The fourth proportional to 1,845.30, 2,767.92 and 1,480.80 is: 2,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.30 : 2,767.92 = 1,480.80 : x
  2. Step 2: Convert to fraction form
    1,845.30/2,767.92 = 1,480.80/x
  3. Step 3: Cross multiply
    1,845.30x = 2,767.92 × 1,480.80
  4. Step 4: Simplify right side
    1,845.30x = 4,098,735.94
  5. Step 5: Solve for x
    x = 4,098,735.94/1,845.30
  6. Step 6: Final answer
    x = 2,221.18

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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.