Home / 3,222-4,438.77-3,028.25

Finding the Fourth Proportional to 3,222, 4,438.77 and 3,028.25

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Solution

The fourth proportional to 3,222, 4,438.77 and 3,028.25 is: 4,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222 : 4,438.77 = 3,028.25 : x
  2. Step 2: Convert to fraction form
    3,222/4,438.77 = 3,028.25/x
  3. Step 3: Cross multiply
    3,222x = 4,438.77 × 3,028.25
  4. Step 4: Simplify right side
    3,222x = 13,441,683.06
  5. Step 5: Solve for x
    x = 13,441,683.06/3,222
  6. Step 6: Final answer
    x = 4,171.84

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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.