Home / 2,241.29-3,107.16-2,122.81

Finding the Fourth Proportional to 2,241.29, 3,107.16 and 2,122.81

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Solution

The fourth proportional to 2,241.29, 3,107.16 and 2,122.81 is: 2,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.29 : 3,107.16 = 2,122.81 : x
  2. Step 2: Convert to fraction form
    2,241.29/3,107.16 = 2,122.81/x
  3. Step 3: Cross multiply
    2,241.29x = 3,107.16 × 2,122.81
  4. Step 4: Simplify right side
    2,241.29x = 6,595,902.55
  5. Step 5: Solve for x
    x = 6,595,902.55/2,241.29
  6. Step 6: Final answer
    x = 2,942.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.