Home / 3,846.80-5,765.41-1,996.83

Finding the Fourth Proportional to 3,846.80, 5,765.41 and 1,996.83

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Solution

The fourth proportional to 3,846.80, 5,765.41 and 1,996.83 is: 2,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.80 : 5,765.41 = 1,996.83 : x
  2. Step 2: Convert to fraction form
    3,846.80/5,765.41 = 1,996.83/x
  3. Step 3: Cross multiply
    3,846.80x = 5,765.41 × 1,996.83
  4. Step 4: Simplify right side
    3,846.80x = 11,512,543.65
  5. Step 5: Solve for x
    x = 11,512,543.65/3,846.80
  6. Step 6: Final answer
    x = 2,992.76

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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.