Home / 3,194.37-4,406.74-2,131.85

Finding the Fourth Proportional to 3,194.37, 4,406.74 and 2,131.85

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Solution

The fourth proportional to 3,194.37, 4,406.74 and 2,131.85 is: 2,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.37 : 4,406.74 = 2,131.85 : x
  2. Step 2: Convert to fraction form
    3,194.37/4,406.74 = 2,131.85/x
  3. Step 3: Cross multiply
    3,194.37x = 4,406.74 × 2,131.85
  4. Step 4: Simplify right side
    3,194.37x = 9,394,514.36
  5. Step 5: Solve for x
    x = 9,394,514.36/3,194.37
  6. Step 6: Final answer
    x = 2,940.96

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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.