Home / 3,821.76-5,732.73-1,224.72

Finding the Fourth Proportional to 3,821.76, 5,732.73 and 1,224.72

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Solution

The fourth proportional to 3,821.76, 5,732.73 and 1,224.72 is: 1,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.76 : 5,732.73 = 1,224.72 : x
  2. Step 2: Convert to fraction form
    3,821.76/5,732.73 = 1,224.72/x
  3. Step 3: Cross multiply
    3,821.76x = 5,732.73 × 1,224.72
  4. Step 4: Simplify right side
    3,821.76x = 7,020,989.09
  5. Step 5: Solve for x
    x = 7,020,989.09/3,821.76
  6. Step 6: Final answer
    x = 1,837.11

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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.