Home / 2,241.78-3,093.68-1,247.12

Finding the Fourth Proportional to 2,241.78, 3,093.68 and 1,247.12

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Solution

The fourth proportional to 2,241.78, 3,093.68 and 1,247.12 is: 1,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.78 : 3,093.68 = 1,247.12 : x
  2. Step 2: Convert to fraction form
    2,241.78/3,093.68 = 1,247.12/x
  3. Step 3: Cross multiply
    2,241.78x = 3,093.68 × 1,247.12
  4. Step 4: Simplify right side
    2,241.78x = 3,858,190.20
  5. Step 5: Solve for x
    x = 3,858,190.20/2,241.78
  6. Step 6: Final answer
    x = 1,721.04

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1.5x scale

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.