Home / 2,338.73-3,227.49-1,290.77

Finding the Fourth Proportional to 2,338.73, 3,227.49 and 1,290.77

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Solution

The fourth proportional to 2,338.73, 3,227.49 and 1,290.77 is: 1,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.73 : 3,227.49 = 1,290.77 : x
  2. Step 2: Convert to fraction form
    2,338.73/3,227.49 = 1,290.77/x
  3. Step 3: Cross multiply
    2,338.73x = 3,227.49 × 1,290.77
  4. Step 4: Simplify right side
    2,338.73x = 4,165,947.27
  5. Step 5: Solve for x
    x = 4,165,947.27/2,338.73
  6. Step 6: Final answer
    x = 1,781.29

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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.