Home / 2,200.26-3,299.16-900.21

Finding the Fourth Proportional to 2,200.26, 3,299.16 and 900.21

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Solution

The fourth proportional to 2,200.26, 3,299.16 and 900.21 is: 1,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.26 : 3,299.16 = 900.21 : x
  2. Step 2: Convert to fraction form
    2,200.26/3,299.16 = 900.21/x
  3. Step 3: Cross multiply
    2,200.26x = 3,299.16 × 900.21
  4. Step 4: Simplify right side
    2,200.26x = 2,969,936.82
  5. Step 5: Solve for x
    x = 2,969,936.82/2,200.26
  6. Step 6: Final answer
    x = 1,349.81

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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.