Home / 3,218.44-4,839.54-3,101.80

Finding the Fourth Proportional to 3,218.44, 4,839.54 and 3,101.80

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Solution

The fourth proportional to 3,218.44, 4,839.54 and 3,101.80 is: 4,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.44 : 4,839.54 = 3,101.80 : x
  2. Step 2: Convert to fraction form
    3,218.44/4,839.54 = 3,101.80/x
  3. Step 3: Cross multiply
    3,218.44x = 4,839.54 × 3,101.80
  4. Step 4: Simplify right side
    3,218.44x = 15,011,285.17
  5. Step 5: Solve for x
    x = 15,011,285.17/3,218.44
  6. Step 6: Final answer
    x = 4,664.15

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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.