Home / 3,400.63-5,098.84-2,229.21

Finding the Fourth Proportional to 3,400.63, 5,098.84 and 2,229.21

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Solution

The fourth proportional to 3,400.63, 5,098.84 and 2,229.21 is: 3,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.63 : 5,098.84 = 2,229.21 : x
  2. Step 2: Convert to fraction form
    3,400.63/5,098.84 = 2,229.21/x
  3. Step 3: Cross multiply
    3,400.63x = 5,098.84 × 2,229.21
  4. Step 4: Simplify right side
    3,400.63x = 11,366,379.54
  5. Step 5: Solve for x
    x = 11,366,379.54/3,400.63
  6. Step 6: Final answer
    x = 3,342.44

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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.