Home / 3,849.26-5,771.81-1,995.78

Finding the Fourth Proportional to 3,849.26, 5,771.81 and 1,995.78

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Solution

The fourth proportional to 3,849.26, 5,771.81 and 1,995.78 is: 2,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.26 : 5,771.81 = 1,995.78 : x
  2. Step 2: Convert to fraction form
    3,849.26/5,771.81 = 1,995.78/x
  3. Step 3: Cross multiply
    3,849.26x = 5,771.81 × 1,995.78
  4. Step 4: Simplify right side
    3,849.26x = 11,519,252.98
  5. Step 5: Solve for x
    x = 11,519,252.98/3,849.26
  6. Step 6: Final answer
    x = 2,992.59

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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.