Home / 1,922.21-2,879.82-1,335.97

Finding the Fourth Proportional to 1,922.21, 2,879.82 and 1,335.97

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Solution

The fourth proportional to 1,922.21, 2,879.82 and 1,335.97 is: 2,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.21 : 2,879.82 = 1,335.97 : x
  2. Step 2: Convert to fraction form
    1,922.21/2,879.82 = 1,335.97/x
  3. Step 3: Cross multiply
    1,922.21x = 2,879.82 × 1,335.97
  4. Step 4: Simplify right side
    1,922.21x = 3,847,356.73
  5. Step 5: Solve for x
    x = 3,847,356.73/1,922.21
  6. Step 6: Final answer
    x = 2,001.53

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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.