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Finding the Fourth Proportional to 3,327.44, 4,978.79 and 2,089.05

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Solution

The fourth proportional to 3,327.44, 4,978.79 and 2,089.05 is: 3,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.44 : 4,978.79 = 2,089.05 : x
  2. Step 2: Convert to fraction form
    3,327.44/4,978.79 = 2,089.05/x
  3. Step 3: Cross multiply
    3,327.44x = 4,978.79 × 2,089.05
  4. Step 4: Simplify right side
    3,327.44x = 10,400,930.80
  5. Step 5: Solve for x
    x = 10,400,930.80/3,327.44
  6. Step 6: Final answer
    x = 3,125.81

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1.5x scale

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.