Home / 3,722.54-5,583.94-1,872.65

Finding the Fourth Proportional to 3,722.54, 5,583.94 and 1,872.65

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Solution

The fourth proportional to 3,722.54, 5,583.94 and 1,872.65 is: 2,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.54 : 5,583.94 = 1,872.65 : x
  2. Step 2: Convert to fraction form
    3,722.54/5,583.94 = 1,872.65/x
  3. Step 3: Cross multiply
    3,722.54x = 5,583.94 × 1,872.65
  4. Step 4: Simplify right side
    3,722.54x = 10,456,732.64
  5. Step 5: Solve for x
    x = 10,456,732.64/3,722.54
  6. Step 6: Final answer
    x = 2,809.03

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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.