Home / 3,942.81-5,912.28-2,299.77

Finding the Fourth Proportional to 3,942.81, 5,912.28 and 2,299.77

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Solution

The fourth proportional to 3,942.81, 5,912.28 and 2,299.77 is: 3,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.81 : 5,912.28 = 2,299.77 : x
  2. Step 2: Convert to fraction form
    3,942.81/5,912.28 = 2,299.77/x
  3. Step 3: Cross multiply
    3,942.81x = 5,912.28 × 2,299.77
  4. Step 4: Simplify right side
    3,942.81x = 13,596,884.18
  5. Step 5: Solve for x
    x = 13,596,884.18/3,942.81
  6. Step 6: Final answer
    x = 3,448.53

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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.