Home / 3,664.67-5,057.25-1,986.09

Finding the Fourth Proportional to 3,664.67, 5,057.25 and 1,986.09

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Solution

The fourth proportional to 3,664.67, 5,057.25 and 1,986.09 is: 2,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.67 : 5,057.25 = 1,986.09 : x
  2. Step 2: Convert to fraction form
    3,664.67/5,057.25 = 1,986.09/x
  3. Step 3: Cross multiply
    3,664.67x = 5,057.25 × 1,986.09
  4. Step 4: Simplify right side
    3,664.67x = 10,044,153.65
  5. Step 5: Solve for x
    x = 10,044,153.65/3,664.67
  6. Step 6: Final answer
    x = 2,740.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.