Home / 3,091.37-4,633.18-2,209.28

Finding the Fourth Proportional to 3,091.37, 4,633.18 and 2,209.28

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Solution

The fourth proportional to 3,091.37, 4,633.18 and 2,209.28 is: 3,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.37 : 4,633.18 = 2,209.28 : x
  2. Step 2: Convert to fraction form
    3,091.37/4,633.18 = 2,209.28/x
  3. Step 3: Cross multiply
    3,091.37x = 4,633.18 × 2,209.28
  4. Step 4: Simplify right side
    3,091.37x = 10,235,997.97
  5. Step 5: Solve for x
    x = 10,235,997.97/3,091.37
  6. Step 6: Final answer
    x = 3,311.15

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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.