Home / 3,288.20-4,922.70-2,942.60

Finding the Fourth Proportional to 3,288.20, 4,922.70 and 2,942.60

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Solution

The fourth proportional to 3,288.20, 4,922.70 and 2,942.60 is: 4,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.20 : 4,922.70 = 2,942.60 : x
  2. Step 2: Convert to fraction form
    3,288.20/4,922.70 = 2,942.60/x
  3. Step 3: Cross multiply
    3,288.20x = 4,922.70 × 2,942.60
  4. Step 4: Simplify right side
    3,288.20x = 14,485,537.02
  5. Step 5: Solve for x
    x = 14,485,537.02/3,288.20
  6. Step 6: Final answer
    x = 4,405.31

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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.