Home / 3,371.78-5,058.39-1,641.38

Finding the Fourth Proportional to 3,371.78, 5,058.39 and 1,641.38

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Solution

The fourth proportional to 3,371.78, 5,058.39 and 1,641.38 is: 2,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.78 : 5,058.39 = 1,641.38 : x
  2. Step 2: Convert to fraction form
    3,371.78/5,058.39 = 1,641.38/x
  3. Step 3: Cross multiply
    3,371.78x = 5,058.39 × 1,641.38
  4. Step 4: Simplify right side
    3,371.78x = 8,302,740.18
  5. Step 5: Solve for x
    x = 8,302,740.18/3,371.78
  6. Step 6: Final answer
    x = 2,462.42

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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.