Home / 3,669.80-5,505.51-2,110.55

Finding the Fourth Proportional to 3,669.80, 5,505.51 and 2,110.55

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Solution

The fourth proportional to 3,669.80, 5,505.51 and 2,110.55 is: 3,166.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.80 : 5,505.51 = 2,110.55 : x
  2. Step 2: Convert to fraction form
    3,669.80/5,505.51 = 2,110.55/x
  3. Step 3: Cross multiply
    3,669.80x = 5,505.51 × 2,110.55
  4. Step 4: Simplify right side
    3,669.80x = 11,619,654.13
  5. Step 5: Solve for x
    x = 11,619,654.13/3,669.80
  6. Step 6: Final answer
    x = 3,166.29

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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.