Home / 2,786.09-3,846.11-1,791.95

Finding the Fourth Proportional to 2,786.09, 3,846.11 and 1,791.95

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Solution

The fourth proportional to 2,786.09, 3,846.11 and 1,791.95 is: 2,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.09 : 3,846.11 = 1,791.95 : x
  2. Step 2: Convert to fraction form
    2,786.09/3,846.11 = 1,791.95/x
  3. Step 3: Cross multiply
    2,786.09x = 3,846.11 × 1,791.95
  4. Step 4: Simplify right side
    2,786.09x = 6,892,008.62
  5. Step 5: Solve for x
    x = 6,892,008.62/2,786.09
  6. Step 6: Final answer
    x = 2,473.73

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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.