Home / 3,131.97-4,327.88-2,246.37

Finding the Fourth Proportional to 3,131.97, 4,327.88 and 2,246.37

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Solution

The fourth proportional to 3,131.97, 4,327.88 and 2,246.37 is: 3,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.97 : 4,327.88 = 2,246.37 : x
  2. Step 2: Convert to fraction form
    3,131.97/4,327.88 = 2,246.37/x
  3. Step 3: Cross multiply
    3,131.97x = 4,327.88 × 2,246.37
  4. Step 4: Simplify right side
    3,131.97x = 9,722,008.56
  5. Step 5: Solve for x
    x = 9,722,008.56/3,131.97
  6. Step 6: Final answer
    x = 3,104.12

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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.