Home / 3,836.92-5,766.32-1,890.48

Finding the Fourth Proportional to 3,836.92, 5,766.32 and 1,890.48

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Solution

The fourth proportional to 3,836.92, 5,766.32 and 1,890.48 is: 2,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.92 : 5,766.32 = 1,890.48 : x
  2. Step 2: Convert to fraction form
    3,836.92/5,766.32 = 1,890.48/x
  3. Step 3: Cross multiply
    3,836.92x = 5,766.32 × 1,890.48
  4. Step 4: Simplify right side
    3,836.92x = 10,901,112.63
  5. Step 5: Solve for x
    x = 10,901,112.63/3,836.92
  6. Step 6: Final answer
    x = 2,841.11

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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.