Home / 3,091.57-4,639.63-2,272.05

Finding the Fourth Proportional to 3,091.57, 4,639.63 and 2,272.05

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Solution

The fourth proportional to 3,091.57, 4,639.63 and 2,272.05 is: 3,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.57 : 4,639.63 = 2,272.05 : x
  2. Step 2: Convert to fraction form
    3,091.57/4,639.63 = 2,272.05/x
  3. Step 3: Cross multiply
    3,091.57x = 4,639.63 × 2,272.05
  4. Step 4: Simplify right side
    3,091.57x = 10,541,469.92
  5. Step 5: Solve for x
    x = 10,541,469.92/3,091.57
  6. Step 6: Final answer
    x = 3,409.75

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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.