Home / 2,241.90-3,093.78-1,247.16

Finding the Fourth Proportional to 2,241.90, 3,093.78 and 1,247.16

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Solution

The fourth proportional to 2,241.90, 3,093.78 and 1,247.16 is: 1,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.90 : 3,093.78 = 1,247.16 : x
  2. Step 2: Convert to fraction form
    2,241.90/3,093.78 = 1,247.16/x
  3. Step 3: Cross multiply
    2,241.90x = 3,093.78 × 1,247.16
  4. Step 4: Simplify right side
    2,241.90x = 3,858,438.66
  5. Step 5: Solve for x
    x = 3,858,438.66/2,241.90
  6. Step 6: Final answer
    x = 1,721.06

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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.