Home / 2,791.80-3,852.18-1,796.85

Finding the Fourth Proportional to 2,791.80, 3,852.18 and 1,796.85

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Solution

The fourth proportional to 2,791.80, 3,852.18 and 1,796.85 is: 2,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.80 : 3,852.18 = 1,796.85 : x
  2. Step 2: Convert to fraction form
    2,791.80/3,852.18 = 1,796.85/x
  3. Step 3: Cross multiply
    2,791.80x = 3,852.18 × 1,796.85
  4. Step 4: Simplify right side
    2,791.80x = 6,921,780.65
  5. Step 5: Solve for x
    x = 6,921,780.65/2,791.80
  6. Step 6: Final answer
    x = 2,479.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.