Home / 3,828.66-5,743.12-1,231.26

Finding the Fourth Proportional to 3,828.66, 5,743.12 and 1,231.26

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Solution

The fourth proportional to 3,828.66, 5,743.12 and 1,231.26 is: 1,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.66 : 5,743.12 = 1,231.26 : x
  2. Step 2: Convert to fraction form
    3,828.66/5,743.12 = 1,231.26/x
  3. Step 3: Cross multiply
    3,828.66x = 5,743.12 × 1,231.26
  4. Step 4: Simplify right side
    3,828.66x = 7,071,273.93
  5. Step 5: Solve for x
    x = 7,071,273.93/3,828.66
  6. Step 6: Final answer
    x = 1,846.93

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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.