Home / 3,769.68-5,201.82-2,091.05

Finding the Fourth Proportional to 3,769.68, 5,201.82 and 2,091.05

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Solution

The fourth proportional to 3,769.68, 5,201.82 and 2,091.05 is: 2,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.68 : 5,201.82 = 2,091.05 : x
  2. Step 2: Convert to fraction form
    3,769.68/5,201.82 = 2,091.05/x
  3. Step 3: Cross multiply
    3,769.68x = 5,201.82 × 2,091.05
  4. Step 4: Simplify right side
    3,769.68x = 10,877,265.71
  5. Step 5: Solve for x
    x = 10,877,265.71/3,769.68
  6. Step 6: Final answer
    x = 2,885.46

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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.