Home / 3,995.27-5,991.68-1,914.20

Finding the Fourth Proportional to 3,995.27, 5,991.68 and 1,914.20

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Solution

The fourth proportional to 3,995.27, 5,991.68 and 1,914.20 is: 2,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.27 : 5,991.68 = 1,914.20 : x
  2. Step 2: Convert to fraction form
    3,995.27/5,991.68 = 1,914.20/x
  3. Step 3: Cross multiply
    3,995.27x = 5,991.68 × 1,914.20
  4. Step 4: Simplify right side
    3,995.27x = 11,469,248.68
  5. Step 5: Solve for x
    x = 11,469,248.68/3,995.27
  6. Step 6: Final answer
    x = 2,870.71

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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.