Home / 3,741.89-5,163.79-2,170.88

Finding the Fourth Proportional to 3,741.89, 5,163.79 and 2,170.88

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Solution

The fourth proportional to 3,741.89, 5,163.79 and 2,170.88 is: 2,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.89 : 5,163.79 = 2,170.88 : x
  2. Step 2: Convert to fraction form
    3,741.89/5,163.79 = 2,170.88/x
  3. Step 3: Cross multiply
    3,741.89x = 5,163.79 × 2,170.88
  4. Step 4: Simplify right side
    3,741.89x = 11,209,968.44
  5. Step 5: Solve for x
    x = 11,209,968.44/3,741.89
  6. Step 6: Final answer
    x = 2,995.80

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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.