Home / 3,849.11-5,311.81-2,277.19

Finding the Fourth Proportional to 3,849.11, 5,311.81 and 2,277.19

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Solution

The fourth proportional to 3,849.11, 5,311.81 and 2,277.19 is: 3,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.11 : 5,311.81 = 2,277.19 : x
  2. Step 2: Convert to fraction form
    3,849.11/5,311.81 = 2,277.19/x
  3. Step 3: Cross multiply
    3,849.11x = 5,311.81 × 2,277.19
  4. Step 4: Simplify right side
    3,849.11x = 12,096,000.61
  5. Step 5: Solve for x
    x = 12,096,000.61/3,849.11
  6. Step 6: Final answer
    x = 3,142.54

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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.