Home / 3,438.19-4,744.80-2,021.97

Finding the Fourth Proportional to 3,438.19, 4,744.80 and 2,021.97

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Solution

The fourth proportional to 3,438.19, 4,744.80 and 2,021.97 is: 2,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.19 : 4,744.80 = 2,021.97 : x
  2. Step 2: Convert to fraction form
    3,438.19/4,744.80 = 2,021.97/x
  3. Step 3: Cross multiply
    3,438.19x = 4,744.80 × 2,021.97
  4. Step 4: Simplify right side
    3,438.19x = 9,593,833.15
  5. Step 5: Solve for x
    x = 9,593,833.15/3,438.19
  6. Step 6: Final answer
    x = 2,790.38

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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.