Home / 3,066.94-4,231.92-1,722.49

Finding the Fourth Proportional to 3,066.94, 4,231.92 and 1,722.49

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Solution

The fourth proportional to 3,066.94, 4,231.92 and 1,722.49 is: 2,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.94 : 4,231.92 = 1,722.49 : x
  2. Step 2: Convert to fraction form
    3,066.94/4,231.92 = 1,722.49/x
  3. Step 3: Cross multiply
    3,066.94x = 4,231.92 × 1,722.49
  4. Step 4: Simplify right side
    3,066.94x = 7,289,439.88
  5. Step 5: Solve for x
    x = 7,289,439.88/3,066.94
  6. Step 6: Final answer
    x = 2,376.78

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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.