Home / 3,757.76-5,186.03-2,185.75

Finding the Fourth Proportional to 3,757.76, 5,186.03 and 2,185.75

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Solution

The fourth proportional to 3,757.76, 5,186.03 and 2,185.75 is: 3,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.76 : 5,186.03 = 2,185.75 : x
  2. Step 2: Convert to fraction form
    3,757.76/5,186.03 = 2,185.75/x
  3. Step 3: Cross multiply
    3,757.76x = 5,186.03 × 2,185.75
  4. Step 4: Simplify right side
    3,757.76x = 11,335,365.07
  5. Step 5: Solve for x
    x = 11,335,365.07/3,757.76
  6. Step 6: Final answer
    x = 3,016.52

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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.