Home / 3,843.36-5,763.82-1,245.69

Finding the Fourth Proportional to 3,843.36, 5,763.82 and 1,245.69

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Solution

The fourth proportional to 3,843.36, 5,763.82 and 1,245.69 is: 1,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.36 : 5,763.82 = 1,245.69 : x
  2. Step 2: Convert to fraction form
    3,843.36/5,763.82 = 1,245.69/x
  3. Step 3: Cross multiply
    3,843.36x = 5,763.82 × 1,245.69
  4. Step 4: Simplify right side
    3,843.36x = 7,179,932.94
  5. Step 5: Solve for x
    x = 7,179,932.94/3,843.36
  6. Step 6: Final answer
    x = 1,868.14

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1.5x scale

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.