Home / 3,208.70-4,428.33-2,029.88

Finding the Fourth Proportional to 3,208.70, 4,428.33 and 2,029.88

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Solution

The fourth proportional to 3,208.70, 4,428.33 and 2,029.88 is: 2,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.70 : 4,428.33 = 2,029.88 : x
  2. Step 2: Convert to fraction form
    3,208.70/4,428.33 = 2,029.88/x
  3. Step 3: Cross multiply
    3,208.70x = 4,428.33 × 2,029.88
  4. Step 4: Simplify right side
    3,208.70x = 8,988,978.50
  5. Step 5: Solve for x
    x = 8,988,978.50/3,208.70
  6. Step 6: Final answer
    x = 2,801.44

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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.