Home / 3,938.53-5,896.27-2,389.09

Finding the Fourth Proportional to 3,938.53, 5,896.27 and 2,389.09

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Solution

The fourth proportional to 3,938.53, 5,896.27 and 2,389.09 is: 3,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.53 : 5,896.27 = 2,389.09 : x
  2. Step 2: Convert to fraction form
    3,938.53/5,896.27 = 2,389.09/x
  3. Step 3: Cross multiply
    3,938.53x = 5,896.27 × 2,389.09
  4. Step 4: Simplify right side
    3,938.53x = 14,086,719.69
  5. Step 5: Solve for x
    x = 14,086,719.69/3,938.53
  6. Step 6: Final answer
    x = 3,576.64

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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.