Home / 3,820.73-5,729.90-1,480.57

Finding the Fourth Proportional to 3,820.73, 5,729.90 and 1,480.57

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Solution

The fourth proportional to 3,820.73, 5,729.90 and 1,480.57 is: 2,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.73 : 5,729.90 = 1,480.57 : x
  2. Step 2: Convert to fraction form
    3,820.73/5,729.90 = 1,480.57/x
  3. Step 3: Cross multiply
    3,820.73x = 5,729.90 × 1,480.57
  4. Step 4: Simplify right side
    3,820.73x = 8,483,517.80
  5. Step 5: Solve for x
    x = 8,483,517.80/3,820.73
  6. Step 6: Final answer
    x = 2,220.39

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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.