Home / 3,675.39-5,072.07-1,996.81

Finding the Fourth Proportional to 3,675.39, 5,072.07 and 1,996.81

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Solution

The fourth proportional to 3,675.39, 5,072.07 and 1,996.81 is: 2,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.39 : 5,072.07 = 1,996.81 : x
  2. Step 2: Convert to fraction form
    3,675.39/5,072.07 = 1,996.81/x
  3. Step 3: Cross multiply
    3,675.39x = 5,072.07 × 1,996.81
  4. Step 4: Simplify right side
    3,675.39x = 10,127,947.42
  5. Step 5: Solve for x
    x = 10,127,947.42/3,675.39
  6. Step 6: Final answer
    x = 2,755.61

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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.