Home / 3,820.52-5,731.48-1,480.44

Finding the Fourth Proportional to 3,820.52, 5,731.48 and 1,480.44

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Solution

The fourth proportional to 3,820.52, 5,731.48 and 1,480.44 is: 2,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.52 : 5,731.48 = 1,480.44 : x
  2. Step 2: Convert to fraction form
    3,820.52/5,731.48 = 1,480.44/x
  3. Step 3: Cross multiply
    3,820.52x = 5,731.48 × 1,480.44
  4. Step 4: Simplify right side
    3,820.52x = 8,485,112.25
  5. Step 5: Solve for x
    x = 8,485,112.25/3,820.52
  6. Step 6: Final answer
    x = 2,220.93

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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.