Home / 3,881.01-5,355.53-2,202.45

Finding the Fourth Proportional to 3,881.01, 5,355.53 and 2,202.45

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Solution

The fourth proportional to 3,881.01, 5,355.53 and 2,202.45 is: 3,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.01 : 5,355.53 = 2,202.45 : x
  2. Step 2: Convert to fraction form
    3,881.01/5,355.53 = 2,202.45/x
  3. Step 3: Cross multiply
    3,881.01x = 5,355.53 × 2,202.45
  4. Step 4: Simplify right side
    3,881.01x = 11,795,304.97
  5. Step 5: Solve for x
    x = 11,795,304.97/3,881.01
  6. Step 6: Final answer
    x = 3,039.23

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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.