Home / 3,821.83-5,732.93-1,224.79

Finding the Fourth Proportional to 3,821.83, 5,732.93 and 1,224.79

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Solution

The fourth proportional to 3,821.83, 5,732.93 and 1,224.79 is: 1,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.83 : 5,732.93 = 1,224.79 : x
  2. Step 2: Convert to fraction form
    3,821.83/5,732.93 = 1,224.79/x
  3. Step 3: Cross multiply
    3,821.83x = 5,732.93 × 1,224.79
  4. Step 4: Simplify right side
    3,821.83x = 7,021,635.33
  5. Step 5: Solve for x
    x = 7,021,635.33/3,821.83
  6. Step 6: Final answer
    x = 1,837.24

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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.