Home / 3,347.73-4,620.31-2,021.42

Finding the Fourth Proportional to 3,347.73, 4,620.31 and 2,021.42

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Solution

The fourth proportional to 3,347.73, 4,620.31 and 2,021.42 is: 2,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.73 : 4,620.31 = 2,021.42 : x
  2. Step 2: Convert to fraction form
    3,347.73/4,620.31 = 2,021.42/x
  3. Step 3: Cross multiply
    3,347.73x = 4,620.31 × 2,021.42
  4. Step 4: Simplify right side
    3,347.73x = 9,339,593.54
  5. Step 5: Solve for x
    x = 9,339,593.54/3,347.73
  6. Step 6: Final answer
    x = 2,789.83

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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.