Home / 2,181.13-3,270.89-794.14

Finding the Fourth Proportional to 2,181.13, 3,270.89 and 794.14

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Solution

The fourth proportional to 2,181.13, 3,270.89 and 794.14 is: 1,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.13 : 3,270.89 = 794.14 : x
  2. Step 2: Convert to fraction form
    2,181.13/3,270.89 = 794.14/x
  3. Step 3: Cross multiply
    2,181.13x = 3,270.89 × 794.14
  4. Step 4: Simplify right side
    2,181.13x = 2,597,538.39
  5. Step 5: Solve for x
    x = 2,597,538.39/2,181.13
  6. Step 6: Final answer
    x = 1,190.92

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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.