Home / 3,166.89-4,359.58-2,722.20

Finding the Fourth Proportional to 3,166.89, 4,359.58 and 2,722.20

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Solution

The fourth proportional to 3,166.89, 4,359.58 and 2,722.20 is: 3,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.89 : 4,359.58 = 2,722.20 : x
  2. Step 2: Convert to fraction form
    3,166.89/4,359.58 = 2,722.20/x
  3. Step 3: Cross multiply
    3,166.89x = 4,359.58 × 2,722.20
  4. Step 4: Simplify right side
    3,166.89x = 11,867,648.68
  5. Step 5: Solve for x
    x = 11,867,648.68/3,166.89
  6. Step 6: Final answer
    x = 3,747.41

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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.