Home / 3,208.20-4,809-2,039.06

Finding the Fourth Proportional to 3,208.20, 4,809 and 2,039.06

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Solution

The fourth proportional to 3,208.20, 4,809 and 2,039.06 is: 3,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.20 : 4,809 = 2,039.06 : x
  2. Step 2: Convert to fraction form
    3,208.20/4,809 = 2,039.06/x
  3. Step 3: Cross multiply
    3,208.20x = 4,809 × 2,039.06
  4. Step 4: Simplify right side
    3,208.20x = 9,805,839.54
  5. Step 5: Solve for x
    x = 9,805,839.54/3,208.20
  6. Step 6: Final answer
    x = 3,056.49

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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.