Home / 3,770.75-5,203.62-2,278.37

Finding the Fourth Proportional to 3,770.75, 5,203.62 and 2,278.37

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Solution

The fourth proportional to 3,770.75, 5,203.62 and 2,278.37 is: 3,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.75 : 5,203.62 = 2,278.37 : x
  2. Step 2: Convert to fraction form
    3,770.75/5,203.62 = 2,278.37/x
  3. Step 3: Cross multiply
    3,770.75x = 5,203.62 × 2,278.37
  4. Step 4: Simplify right side
    3,770.75x = 11,855,745.68
  5. Step 5: Solve for x
    x = 11,855,745.68/3,770.75
  6. Step 6: Final answer
    x = 3,144.14

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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.