Home / 3,829.21-5,747.42-1,882.81

Finding the Fourth Proportional to 3,829.21, 5,747.42 and 1,882.81

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Solution

The fourth proportional to 3,829.21, 5,747.42 and 1,882.81 is: 2,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.21 : 5,747.42 = 1,882.81 : x
  2. Step 2: Convert to fraction form
    3,829.21/5,747.42 = 1,882.81/x
  3. Step 3: Cross multiply
    3,829.21x = 5,747.42 × 1,882.81
  4. Step 4: Simplify right side
    3,829.21x = 10,821,299.85
  5. Step 5: Solve for x
    x = 10,821,299.85/3,829.21
  6. Step 6: Final answer
    x = 2,825.99

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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.