Home / 3,761.37-5,190.65-2,167.43

Finding the Fourth Proportional to 3,761.37, 5,190.65 and 2,167.43

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Solution

The fourth proportional to 3,761.37, 5,190.65 and 2,167.43 is: 2,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.37 : 5,190.65 = 2,167.43 : x
  2. Step 2: Convert to fraction form
    3,761.37/5,190.65 = 2,167.43/x
  3. Step 3: Cross multiply
    3,761.37x = 5,190.65 × 2,167.43
  4. Step 4: Simplify right side
    3,761.37x = 11,250,379.19
  5. Step 5: Solve for x
    x = 11,250,379.19/3,761.37
  6. Step 6: Final answer
    x = 2,991.03

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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.