Home / 3,822.16-5,732.68-1,224.76

Finding the Fourth Proportional to 3,822.16, 5,732.68 and 1,224.76

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Solution

The fourth proportional to 3,822.16, 5,732.68 and 1,224.76 is: 1,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.16 : 5,732.68 = 1,224.76 : x
  2. Step 2: Convert to fraction form
    3,822.16/5,732.68 = 1,224.76/x
  3. Step 3: Cross multiply
    3,822.16x = 5,732.68 × 1,224.76
  4. Step 4: Simplify right side
    3,822.16x = 7,021,157.16
  5. Step 5: Solve for x
    x = 7,021,157.16/3,822.16
  6. Step 6: Final answer
    x = 1,836.96

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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.