Home / 3,829.86-5,743.30-1,489.55

Finding the Fourth Proportional to 3,829.86, 5,743.30 and 1,489.55

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Solution

The fourth proportional to 3,829.86, 5,743.30 and 1,489.55 is: 2,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.86 : 5,743.30 = 1,489.55 : x
  2. Step 2: Convert to fraction form
    3,829.86/5,743.30 = 1,489.55/x
  3. Step 3: Cross multiply
    3,829.86x = 5,743.30 × 1,489.55
  4. Step 4: Simplify right side
    3,829.86x = 8,554,943.15
  5. Step 5: Solve for x
    x = 8,554,943.15/3,829.86
  6. Step 6: Final answer
    x = 2,233.75

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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.