Home / 2,850.90-3,932.43-1,843.92

Finding the Fourth Proportional to 2,850.90, 3,932.43 and 1,843.92

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Solution

The fourth proportional to 2,850.90, 3,932.43 and 1,843.92 is: 2,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.90 : 3,932.43 = 1,843.92 : x
  2. Step 2: Convert to fraction form
    2,850.90/3,932.43 = 1,843.92/x
  3. Step 3: Cross multiply
    2,850.90x = 3,932.43 × 1,843.92
  4. Step 4: Simplify right side
    2,850.90x = 7,251,086.33
  5. Step 5: Solve for x
    x = 7,251,086.33/2,850.90
  6. Step 6: Final answer
    x = 2,543.44

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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.