Home / 3,829.89-5,743.58-1,489.73

Finding the Fourth Proportional to 3,829.89, 5,743.58 and 1,489.73

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Solution

The fourth proportional to 3,829.89, 5,743.58 and 1,489.73 is: 2,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.89 : 5,743.58 = 1,489.73 : x
  2. Step 2: Convert to fraction form
    3,829.89/5,743.58 = 1,489.73/x
  3. Step 3: Cross multiply
    3,829.89x = 5,743.58 × 1,489.73
  4. Step 4: Simplify right side
    3,829.89x = 8,556,383.43
  5. Step 5: Solve for x
    x = 8,556,383.43/3,829.89
  6. Step 6: Final answer
    x = 2,234.11

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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.