Home / 3,763.27-5,641.66-2,122.21

Finding the Fourth Proportional to 3,763.27, 5,641.66 and 2,122.21

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Solution

The fourth proportional to 3,763.27, 5,641.66 and 2,122.21 is: 3,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.27 : 5,641.66 = 2,122.21 : x
  2. Step 2: Convert to fraction form
    3,763.27/5,641.66 = 2,122.21/x
  3. Step 3: Cross multiply
    3,763.27x = 5,641.66 × 2,122.21
  4. Step 4: Simplify right side
    3,763.27x = 11,972,787.27
  5. Step 5: Solve for x
    x = 11,972,787.27/3,763.27
  6. Step 6: Final answer
    x = 3,181.49

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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.