Home / 3,770.09-5,201.94-2,277.72

Finding the Fourth Proportional to 3,770.09, 5,201.94 and 2,277.72

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Solution

The fourth proportional to 3,770.09, 5,201.94 and 2,277.72 is: 3,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.09 : 5,201.94 = 2,277.72 : x
  2. Step 2: Convert to fraction form
    3,770.09/5,201.94 = 2,277.72/x
  3. Step 3: Cross multiply
    3,770.09x = 5,201.94 × 2,277.72
  4. Step 4: Simplify right side
    3,770.09x = 11,848,558.51
  5. Step 5: Solve for x
    x = 11,848,558.51/3,770.09
  6. Step 6: Final answer
    x = 3,142.78

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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.