Home / 3,829.88-5,735.51-2,181.43

Finding the Fourth Proportional to 3,829.88, 5,735.51 and 2,181.43

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Solution

The fourth proportional to 3,829.88, 5,735.51 and 2,181.43 is: 3,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.88 : 5,735.51 = 2,181.43 : x
  2. Step 2: Convert to fraction form
    3,829.88/5,735.51 = 2,181.43/x
  3. Step 3: Cross multiply
    3,829.88x = 5,735.51 × 2,181.43
  4. Step 4: Simplify right side
    3,829.88x = 12,511,618.02
  5. Step 5: Solve for x
    x = 12,511,618.02/3,829.88
  6. Step 6: Final answer
    x = 3,266.84

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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.