Home / 3,849.25-5,771.29-1,976.28

Finding the Fourth Proportional to 3,849.25, 5,771.29 and 1,976.28

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Solution

The fourth proportional to 3,849.25, 5,771.29 and 1,976.28 is: 2,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.25 : 5,771.29 = 1,976.28 : x
  2. Step 2: Convert to fraction form
    3,849.25/5,771.29 = 1,976.28/x
  3. Step 3: Cross multiply
    3,849.25x = 5,771.29 × 1,976.28
  4. Step 4: Simplify right side
    3,849.25x = 11,405,656.14
  5. Step 5: Solve for x
    x = 11,405,656.14/3,849.25
  6. Step 6: Final answer
    x = 2,963.09

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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.