Home / 2,241.85-3,093.66-1,247.20

Finding the Fourth Proportional to 2,241.85, 3,093.66 and 1,247.20

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Solution

The fourth proportional to 2,241.85, 3,093.66 and 1,247.20 is: 1,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.85 : 3,093.66 = 1,247.20 : x
  2. Step 2: Convert to fraction form
    2,241.85/3,093.66 = 1,247.20/x
  3. Step 3: Cross multiply
    2,241.85x = 3,093.66 × 1,247.20
  4. Step 4: Simplify right side
    2,241.85x = 3,858,412.75
  5. Step 5: Solve for x
    x = 3,858,412.75/2,241.85
  6. Step 6: Final answer
    x = 1,721.08

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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.