Home / 3,961.42-5,945.52-2,208.19

Finding the Fourth Proportional to 3,961.42, 5,945.52 and 2,208.19

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Solution

The fourth proportional to 3,961.42, 5,945.52 and 2,208.19 is: 3,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.42 : 5,945.52 = 2,208.19 : x
  2. Step 2: Convert to fraction form
    3,961.42/5,945.52 = 2,208.19/x
  3. Step 3: Cross multiply
    3,961.42x = 5,945.52 × 2,208.19
  4. Step 4: Simplify right side
    3,961.42x = 13,128,837.81
  5. Step 5: Solve for x
    x = 13,128,837.81/3,961.42
  6. Step 6: Final answer
    x = 3,314.17

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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.