Home / 3,675.49-5,072.05-1,996.86

Finding the Fourth Proportional to 3,675.49, 5,072.05 and 1,996.86

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Solution

The fourth proportional to 3,675.49, 5,072.05 and 1,996.86 is: 2,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.49 : 5,072.05 = 1,996.86 : x
  2. Step 2: Convert to fraction form
    3,675.49/5,072.05 = 1,996.86/x
  3. Step 3: Cross multiply
    3,675.49x = 5,072.05 × 1,996.86
  4. Step 4: Simplify right side
    3,675.49x = 10,128,173.76
  5. Step 5: Solve for x
    x = 10,128,173.76/3,675.49
  6. Step 6: Final answer
    x = 2,755.60

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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.