Home / 3,371.94-5,057.85-1,291.38

Finding the Fourth Proportional to 3,371.94, 5,057.85 and 1,291.38

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Solution

The fourth proportional to 3,371.94, 5,057.85 and 1,291.38 is: 1,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.94 : 5,057.85 = 1,291.38 : x
  2. Step 2: Convert to fraction form
    3,371.94/5,057.85 = 1,291.38/x
  3. Step 3: Cross multiply
    3,371.94x = 5,057.85 × 1,291.38
  4. Step 4: Simplify right side
    3,371.94x = 6,531,606.33
  5. Step 5: Solve for x
    x = 6,531,606.33/3,371.94
  6. Step 6: Final answer
    x = 1,937.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.