Home / 3,072.62-4,608.24-1,223.38

Finding the Fourth Proportional to 3,072.62, 4,608.24 and 1,223.38

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Solution

The fourth proportional to 3,072.62, 4,608.24 and 1,223.38 is: 1,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.62 : 4,608.24 = 1,223.38 : x
  2. Step 2: Convert to fraction form
    3,072.62/4,608.24 = 1,223.38/x
  3. Step 3: Cross multiply
    3,072.62x = 4,608.24 × 1,223.38
  4. Step 4: Simplify right side
    3,072.62x = 5,637,628.65
  5. Step 5: Solve for x
    x = 5,637,628.65/3,072.62
  6. Step 6: Final answer
    x = 1,834.80

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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.