Home / 2,786.94-4,171.77-2,017.98

Finding the Fourth Proportional to 2,786.94, 4,171.77 and 2,017.98

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Solution

The fourth proportional to 2,786.94, 4,171.77 and 2,017.98 is: 3,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.94 : 4,171.77 = 2,017.98 : x
  2. Step 2: Convert to fraction form
    2,786.94/4,171.77 = 2,017.98/x
  3. Step 3: Cross multiply
    2,786.94x = 4,171.77 × 2,017.98
  4. Step 4: Simplify right side
    2,786.94x = 8,418,548.42
  5. Step 5: Solve for x
    x = 8,418,548.42/2,786.94
  6. Step 6: Final answer
    x = 3,020.71

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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.