Home / 3,845.21-5,767.84-1,072.07

Finding the Fourth Proportional to 3,845.21, 5,767.84 and 1,072.07

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Solution

The fourth proportional to 3,845.21, 5,767.84 and 1,072.07 is: 1,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.21 : 5,767.84 = 1,072.07 : x
  2. Step 2: Convert to fraction form
    3,845.21/5,767.84 = 1,072.07/x
  3. Step 3: Cross multiply
    3,845.21x = 5,767.84 × 1,072.07
  4. Step 4: Simplify right side
    3,845.21x = 6,183,522.36
  5. Step 5: Solve for x
    x = 6,183,522.36/3,845.21
  6. Step 6: Final answer
    x = 1,608.11

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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.