Home / 3,843.90-5,764.62-1,895.85

Finding the Fourth Proportional to 3,843.90, 5,764.62 and 1,895.85

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Solution

The fourth proportional to 3,843.90, 5,764.62 and 1,895.85 is: 2,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.90 : 5,764.62 = 1,895.85 : x
  2. Step 2: Convert to fraction form
    3,843.90/5,764.62 = 1,895.85/x
  3. Step 3: Cross multiply
    3,843.90x = 5,764.62 × 1,895.85
  4. Step 4: Simplify right side
    3,843.90x = 10,928,854.83
  5. Step 5: Solve for x
    x = 10,928,854.83/3,843.90
  6. Step 6: Final answer
    x = 2,843.17

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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.