Home / 3,664.62-5,057.16-1,986.03

Finding the Fourth Proportional to 3,664.62, 5,057.16 and 1,986.03

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Solution

The fourth proportional to 3,664.62, 5,057.16 and 1,986.03 is: 2,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.62 : 5,057.16 = 1,986.03 : x
  2. Step 2: Convert to fraction form
    3,664.62/5,057.16 = 1,986.03/x
  3. Step 3: Cross multiply
    3,664.62x = 5,057.16 × 1,986.03
  4. Step 4: Simplify right side
    3,664.62x = 10,043,671.47
  5. Step 5: Solve for x
    x = 10,043,671.47/3,664.62
  6. Step 6: Final answer
    x = 2,740.71

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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.