Home / 3,845.01-5,305.66-2,166.37

Finding the Fourth Proportional to 3,845.01, 5,305.66 and 2,166.37

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Solution

The fourth proportional to 3,845.01, 5,305.66 and 2,166.37 is: 2,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.01 : 5,305.66 = 2,166.37 : x
  2. Step 2: Convert to fraction form
    3,845.01/5,305.66 = 2,166.37/x
  3. Step 3: Cross multiply
    3,845.01x = 5,305.66 × 2,166.37
  4. Step 4: Simplify right side
    3,845.01x = 11,494,022.65
  5. Step 5: Solve for x
    x = 11,494,022.65/3,845.01
  6. Step 6: Final answer
    x = 2,989.33

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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.