Home / 3,761.67-5,191.64-2,190.27

Finding the Fourth Proportional to 3,761.67, 5,191.64 and 2,190.27

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Solution

The fourth proportional to 3,761.67, 5,191.64 and 2,190.27 is: 3,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.67 : 5,191.64 = 2,190.27 : x
  2. Step 2: Convert to fraction form
    3,761.67/5,191.64 = 2,190.27/x
  3. Step 3: Cross multiply
    3,761.67x = 5,191.64 × 2,190.27
  4. Step 4: Simplify right side
    3,761.67x = 11,371,093.34
  5. Step 5: Solve for x
    x = 11,371,093.34/3,761.67
  6. Step 6: Final answer
    x = 3,022.88

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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.