Home / 2,480.82-3,720.90-1,441.38

Finding the Fourth Proportional to 2,480.82, 3,720.90 and 1,441.38

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Solution

The fourth proportional to 2,480.82, 3,720.90 and 1,441.38 is: 2,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.82 : 3,720.90 = 1,441.38 : x
  2. Step 2: Convert to fraction form
    2,480.82/3,720.90 = 1,441.38/x
  3. Step 3: Cross multiply
    2,480.82x = 3,720.90 × 1,441.38
  4. Step 4: Simplify right side
    2,480.82x = 5,363,230.84
  5. Step 5: Solve for x
    x = 5,363,230.84/2,480.82
  6. Step 6: Final answer
    x = 2,161.88

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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.