Home / 2,202.08-3,304.20-2,130.80

Finding the Fourth Proportional to 2,202.08, 3,304.20 and 2,130.80

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Solution

The fourth proportional to 2,202.08, 3,304.20 and 2,130.80 is: 3,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.08 : 3,304.20 = 2,130.80 : x
  2. Step 2: Convert to fraction form
    2,202.08/3,304.20 = 2,130.80/x
  3. Step 3: Cross multiply
    2,202.08x = 3,304.20 × 2,130.80
  4. Step 4: Simplify right side
    2,202.08x = 7,040,589.36
  5. Step 5: Solve for x
    x = 7,040,589.36/2,202.08
  6. Step 6: Final answer
    x = 3,197.25

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1.5x scale

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.