Home / 3,828.69-5,743.04-1,231.83

Finding the Fourth Proportional to 3,828.69, 5,743.04 and 1,231.83

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Solution

The fourth proportional to 3,828.69, 5,743.04 and 1,231.83 is: 1,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.69 : 5,743.04 = 1,231.83 : x
  2. Step 2: Convert to fraction form
    3,828.69/5,743.04 = 1,231.83/x
  3. Step 3: Cross multiply
    3,828.69x = 5,743.04 × 1,231.83
  4. Step 4: Simplify right side
    3,828.69x = 7,074,442.80
  5. Step 5: Solve for x
    x = 7,074,442.80/3,828.69
  6. Step 6: Final answer
    x = 1,847.75

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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.