Home / 3,675.42-5,072.03-1,996.86

Finding the Fourth Proportional to 3,675.42, 5,072.03 and 1,996.86

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Solution

The fourth proportional to 3,675.42, 5,072.03 and 1,996.86 is: 2,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.42 : 5,072.03 = 1,996.86 : x
  2. Step 2: Convert to fraction form
    3,675.42/5,072.03 = 1,996.86/x
  3. Step 3: Cross multiply
    3,675.42x = 5,072.03 × 1,996.86
  4. Step 4: Simplify right side
    3,675.42x = 10,128,138.82
  5. Step 5: Solve for x
    x = 10,128,138.82/3,675.42
  6. Step 6: Final answer
    x = 2,755.64

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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.