Home / 2,786.12-3,844.08-1,723.38

Finding the Fourth Proportional to 2,786.12, 3,844.08 and 1,723.38

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Solution

The fourth proportional to 2,786.12, 3,844.08 and 1,723.38 is: 2,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.12 : 3,844.08 = 1,723.38 : x
  2. Step 2: Convert to fraction form
    2,786.12/3,844.08 = 1,723.38/x
  3. Step 3: Cross multiply
    2,786.12x = 3,844.08 × 1,723.38
  4. Step 4: Simplify right side
    2,786.12x = 6,624,795.68
  5. Step 5: Solve for x
    x = 6,624,795.68/2,786.12
  6. Step 6: Final answer
    x = 2,377.78

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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.