Home / 3,853.11-5,772.60-3,438.03

Finding the Fourth Proportional to 3,853.11, 5,772.60 and 3,438.03

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Solution

The fourth proportional to 3,853.11, 5,772.60 and 3,438.03 is: 5,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.11 : 5,772.60 = 3,438.03 : x
  2. Step 2: Convert to fraction form
    3,853.11/5,772.60 = 3,438.03/x
  3. Step 3: Cross multiply
    3,853.11x = 5,772.60 × 3,438.03
  4. Step 4: Simplify right side
    3,853.11x = 19,846,371.98
  5. Step 5: Solve for x
    x = 19,846,371.98/3,853.11
  6. Step 6: Final answer
    x = 5,150.74

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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.