Home / 3,226.64-4,428.68-3,091.37

Finding the Fourth Proportional to 3,226.64, 4,428.68 and 3,091.37

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Solution

The fourth proportional to 3,226.64, 4,428.68 and 3,091.37 is: 4,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.64 : 4,428.68 = 3,091.37 : x
  2. Step 2: Convert to fraction form
    3,226.64/4,428.68 = 3,091.37/x
  3. Step 3: Cross multiply
    3,226.64x = 4,428.68 × 3,091.37
  4. Step 4: Simplify right side
    3,226.64x = 13,690,650.89
  5. Step 5: Solve for x
    x = 13,690,650.89/3,226.64
  6. Step 6: Final answer
    x = 4,243.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.