Home / 3,845.44-5,306.61-2,166.82

Finding the Fourth Proportional to 3,845.44, 5,306.61 and 2,166.82

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Solution

The fourth proportional to 3,845.44, 5,306.61 and 2,166.82 is: 2,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.44 : 5,306.61 = 2,166.82 : x
  2. Step 2: Convert to fraction form
    3,845.44/5,306.61 = 2,166.82/x
  3. Step 3: Cross multiply
    3,845.44x = 5,306.61 × 2,166.82
  4. Step 4: Simplify right side
    3,845.44x = 11,498,468.68
  5. Step 5: Solve for x
    x = 11,498,468.68/3,845.44
  6. Step 6: Final answer
    x = 2,990.16

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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.