Home / 3,438.13-5,156.78-2,033.39

Finding the Fourth Proportional to 3,438.13, 5,156.78 and 2,033.39

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Solution

The fourth proportional to 3,438.13, 5,156.78 and 2,033.39 is: 3,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.13 : 5,156.78 = 2,033.39 : x
  2. Step 2: Convert to fraction form
    3,438.13/5,156.78 = 2,033.39/x
  3. Step 3: Cross multiply
    3,438.13x = 5,156.78 × 2,033.39
  4. Step 4: Simplify right side
    3,438.13x = 10,485,724.18
  5. Step 5: Solve for x
    x = 10,485,724.18/3,438.13
  6. Step 6: Final answer
    x = 3,049.84

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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.