Home / 3,849.14-5,768.45-2,091.85

Finding the Fourth Proportional to 3,849.14, 5,768.45 and 2,091.85

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Solution

The fourth proportional to 3,849.14, 5,768.45 and 2,091.85 is: 3,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.14 : 5,768.45 = 2,091.85 : x
  2. Step 2: Convert to fraction form
    3,849.14/5,768.45 = 2,091.85/x
  3. Step 3: Cross multiply
    3,849.14x = 5,768.45 × 2,091.85
  4. Step 4: Simplify right side
    3,849.14x = 12,066,715.10
  5. Step 5: Solve for x
    x = 12,066,715.10/3,849.14
  6. Step 6: Final answer
    x = 3,134.91

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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.