Home / 3,838.52-5,757.35-1,205.92

Finding the Fourth Proportional to 3,838.52, 5,757.35 and 1,205.92

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Solution

The fourth proportional to 3,838.52, 5,757.35 and 1,205.92 is: 1,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.52 : 5,757.35 = 1,205.92 : x
  2. Step 2: Convert to fraction form
    3,838.52/5,757.35 = 1,205.92/x
  3. Step 3: Cross multiply
    3,838.52x = 5,757.35 × 1,205.92
  4. Step 4: Simplify right side
    3,838.52x = 6,942,904.68
  5. Step 5: Solve for x
    x = 6,942,904.68/3,838.52
  6. Step 6: Final answer
    x = 1,808.74

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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.