Home / 2,206.34-3,310.80-890.73

Finding the Fourth Proportional to 2,206.34, 3,310.80 and 890.73

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Solution

The fourth proportional to 2,206.34, 3,310.80 and 890.73 is: 1,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.34 : 3,310.80 = 890.73 : x
  2. Step 2: Convert to fraction form
    2,206.34/3,310.80 = 890.73/x
  3. Step 3: Cross multiply
    2,206.34x = 3,310.80 × 890.73
  4. Step 4: Simplify right side
    2,206.34x = 2,949,028.88
  5. Step 5: Solve for x
    x = 2,949,028.88/2,206.34
  6. Step 6: Final answer
    x = 1,336.62

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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.