Home / 3,189.33-4,403.30-2,195.73

Finding the Fourth Proportional to 3,189.33, 4,403.30 and 2,195.73

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Solution

The fourth proportional to 3,189.33, 4,403.30 and 2,195.73 is: 3,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.33 : 4,403.30 = 2,195.73 : x
  2. Step 2: Convert to fraction form
    3,189.33/4,403.30 = 2,195.73/x
  3. Step 3: Cross multiply
    3,189.33x = 4,403.30 × 2,195.73
  4. Step 4: Simplify right side
    3,189.33x = 9,668,446.93
  5. Step 5: Solve for x
    x = 9,668,446.93/3,189.33
  6. Step 6: Final answer
    x = 3,031.50

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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.