Home / 2,843.80-3,923.92-1,584.82

Finding the Fourth Proportional to 2,843.80, 3,923.92 and 1,584.82

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Solution

The fourth proportional to 2,843.80, 3,923.92 and 1,584.82 is: 2,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.80 : 3,923.92 = 1,584.82 : x
  2. Step 2: Convert to fraction form
    2,843.80/3,923.92 = 1,584.82/x
  3. Step 3: Cross multiply
    2,843.80x = 3,923.92 × 1,584.82
  4. Step 4: Simplify right side
    2,843.80x = 6,218,713.78
  5. Step 5: Solve for x
    x = 6,218,713.78/2,843.80
  6. Step 6: Final answer
    x = 2,186.76

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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.