Home / 3,289.94-4,922.55-1,968.83

Finding the Fourth Proportional to 3,289.94, 4,922.55 and 1,968.83

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Solution

The fourth proportional to 3,289.94, 4,922.55 and 1,968.83 is: 2,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.94 : 4,922.55 = 1,968.83 : x
  2. Step 2: Convert to fraction form
    3,289.94/4,922.55 = 1,968.83/x
  3. Step 3: Cross multiply
    3,289.94x = 4,922.55 × 1,968.83
  4. Step 4: Simplify right side
    3,289.94x = 9,691,639.50
  5. Step 5: Solve for x
    x = 9,691,639.50/3,289.94
  6. Step 6: Final answer
    x = 2,945.85

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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.