Home / 3,469.47-4,789.43-2,212.21

Finding the Fourth Proportional to 3,469.47, 4,789.43 and 2,212.21

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Solution

The fourth proportional to 3,469.47, 4,789.43 and 2,212.21 is: 3,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.47 : 4,789.43 = 2,212.21 : x
  2. Step 2: Convert to fraction form
    3,469.47/4,789.43 = 2,212.21/x
  3. Step 3: Cross multiply
    3,469.47x = 4,789.43 × 2,212.21
  4. Step 4: Simplify right side
    3,469.47x = 10,595,201.91
  5. Step 5: Solve for x
    x = 10,595,201.91/3,469.47
  6. Step 6: Final answer
    x = 3,053.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.