Home / 2,338.98-3,227.80-1,291.04

Finding the Fourth Proportional to 2,338.98, 3,227.80 and 1,291.04

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Solution

The fourth proportional to 2,338.98, 3,227.80 and 1,291.04 is: 1,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.98 : 3,227.80 = 1,291.04 : x
  2. Step 2: Convert to fraction form
    2,338.98/3,227.80 = 1,291.04/x
  3. Step 3: Cross multiply
    2,338.98x = 3,227.80 × 1,291.04
  4. Step 4: Simplify right side
    2,338.98x = 4,167,218.91
  5. Step 5: Solve for x
    x = 4,167,218.91/2,338.98
  6. Step 6: Final answer
    x = 1,781.64

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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.