Home / 2,229.57-3,343.16-2,133.71

Finding the Fourth Proportional to 2,229.57, 3,343.16 and 2,133.71

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Solution

The fourth proportional to 2,229.57, 3,343.16 and 2,133.71 is: 3,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.57 : 3,343.16 = 2,133.71 : x
  2. Step 2: Convert to fraction form
    2,229.57/3,343.16 = 2,133.71/x
  3. Step 3: Cross multiply
    2,229.57x = 3,343.16 × 2,133.71
  4. Step 4: Simplify right side
    2,229.57x = 7,133,337.88
  5. Step 5: Solve for x
    x = 7,133,337.88/2,229.57
  6. Step 6: Final answer
    x = 3,199.43

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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.