Home / 3,881.03-5,355.66-2,202.40

Finding the Fourth Proportional to 3,881.03, 5,355.66 and 2,202.40

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Solution

The fourth proportional to 3,881.03, 5,355.66 and 2,202.40 is: 3,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.03 : 5,355.66 = 2,202.40 : x
  2. Step 2: Convert to fraction form
    3,881.03/5,355.66 = 2,202.40/x
  3. Step 3: Cross multiply
    3,881.03x = 5,355.66 × 2,202.40
  4. Step 4: Simplify right side
    3,881.03x = 11,795,305.58
  5. Step 5: Solve for x
    x = 11,795,305.58/3,881.03
  6. Step 6: Final answer
    x = 3,039.22

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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.