Home / 3,223.16-4,836.90-2,069.72

Finding the Fourth Proportional to 3,223.16, 4,836.90 and 2,069.72

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Solution

The fourth proportional to 3,223.16, 4,836.90 and 2,069.72 is: 3,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.16 : 4,836.90 = 2,069.72 : x
  2. Step 2: Convert to fraction form
    3,223.16/4,836.90 = 2,069.72/x
  3. Step 3: Cross multiply
    3,223.16x = 4,836.90 × 2,069.72
  4. Step 4: Simplify right side
    3,223.16x = 10,011,028.67
  5. Step 5: Solve for x
    x = 10,011,028.67/3,223.16
  6. Step 6: Final answer
    x = 3,105.97

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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.