Home / 3,675.67-5,072.36-1,997.10

Finding the Fourth Proportional to 3,675.67, 5,072.36 and 1,997.10

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Solution

The fourth proportional to 3,675.67, 5,072.36 and 1,997.10 is: 2,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.67 : 5,072.36 = 1,997.10 : x
  2. Step 2: Convert to fraction form
    3,675.67/5,072.36 = 1,997.10/x
  3. Step 3: Cross multiply
    3,675.67x = 5,072.36 × 1,997.10
  4. Step 4: Simplify right side
    3,675.67x = 10,129,987.49
  5. Step 5: Solve for x
    x = 10,129,987.49/3,675.67
  6. Step 6: Final answer
    x = 2,755.96

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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.