Home / 3,829.70-5,743.07-1,489.39

Finding the Fourth Proportional to 3,829.70, 5,743.07 and 1,489.39

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Solution

The fourth proportional to 3,829.70, 5,743.07 and 1,489.39 is: 2,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.70 : 5,743.07 = 1,489.39 : x
  2. Step 2: Convert to fraction form
    3,829.70/5,743.07 = 1,489.39/x
  3. Step 3: Cross multiply
    3,829.70x = 5,743.07 × 1,489.39
  4. Step 4: Simplify right side
    3,829.70x = 8,553,684.72
  5. Step 5: Solve for x
    x = 8,553,684.72/3,829.70
  6. Step 6: Final answer
    x = 2,233.51

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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.