Home / 3,242.14-4,474.82-2,109.22

Finding the Fourth Proportional to 3,242.14, 4,474.82 and 2,109.22

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Solution

The fourth proportional to 3,242.14, 4,474.82 and 2,109.22 is: 2,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.14 : 4,474.82 = 2,109.22 : x
  2. Step 2: Convert to fraction form
    3,242.14/4,474.82 = 2,109.22/x
  3. Step 3: Cross multiply
    3,242.14x = 4,474.82 × 2,109.22
  4. Step 4: Simplify right side
    3,242.14x = 9,438,380.48
  5. Step 5: Solve for x
    x = 9,438,380.48/3,242.14
  6. Step 6: Final answer
    x = 2,911.16

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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.