Home / 3,233.44-4,459.44-1,989.28

Finding the Fourth Proportional to 3,233.44, 4,459.44 and 1,989.28

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Solution

The fourth proportional to 3,233.44, 4,459.44 and 1,989.28 is: 2,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.44 : 4,459.44 = 1,989.28 : x
  2. Step 2: Convert to fraction form
    3,233.44/4,459.44 = 1,989.28/x
  3. Step 3: Cross multiply
    3,233.44x = 4,459.44 × 1,989.28
  4. Step 4: Simplify right side
    3,233.44x = 8,871,074.80
  5. Step 5: Solve for x
    x = 8,871,074.80/3,233.44
  6. Step 6: Final answer
    x = 2,743.54

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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.