Home / 2,241-3,091.91-1,296.81

Finding the Fourth Proportional to 2,241, 3,091.91 and 1,296.81

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Solution

The fourth proportional to 2,241, 3,091.91 and 1,296.81 is: 1,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241 : 3,091.91 = 1,296.81 : x
  2. Step 2: Convert to fraction form
    2,241/3,091.91 = 1,296.81/x
  3. Step 3: Cross multiply
    2,241x = 3,091.91 × 1,296.81
  4. Step 4: Simplify right side
    2,241x = 4,009,613.32
  5. Step 5: Solve for x
    x = 4,009,613.32/2,241
  6. Step 6: Final answer
    x = 1,789.21

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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.