Home / 3,571.25-5,351.87-1,489.01

Finding the Fourth Proportional to 3,571.25, 5,351.87 and 1,489.01

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Solution

The fourth proportional to 3,571.25, 5,351.87 and 1,489.01 is: 2,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.25 : 5,351.87 = 1,489.01 : x
  2. Step 2: Convert to fraction form
    3,571.25/5,351.87 = 1,489.01/x
  3. Step 3: Cross multiply
    3,571.25x = 5,351.87 × 1,489.01
  4. Step 4: Simplify right side
    3,571.25x = 7,968,964.91
  5. Step 5: Solve for x
    x = 7,968,964.91/3,571.25
  6. Step 6: Final answer
    x = 2,231.42

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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.