Home / 3,828.72-5,743.60-1,231.04

Finding the Fourth Proportional to 3,828.72, 5,743.60 and 1,231.04

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Solution

The fourth proportional to 3,828.72, 5,743.60 and 1,231.04 is: 1,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.72 : 5,743.60 = 1,231.04 : x
  2. Step 2: Convert to fraction form
    3,828.72/5,743.60 = 1,231.04/x
  3. Step 3: Cross multiply
    3,828.72x = 5,743.60 × 1,231.04
  4. Step 4: Simplify right side
    3,828.72x = 7,070,601.34
  5. Step 5: Solve for x
    x = 7,070,601.34/3,828.72
  6. Step 6: Final answer
    x = 1,846.73

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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.