Home / 3,969.35-5,954.42-1,371.95

Finding the Fourth Proportional to 3,969.35, 5,954.42 and 1,371.95

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Solution

The fourth proportional to 3,969.35, 5,954.42 and 1,371.95 is: 2,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.35 : 5,954.42 = 1,371.95 : x
  2. Step 2: Convert to fraction form
    3,969.35/5,954.42 = 1,371.95/x
  3. Step 3: Cross multiply
    3,969.35x = 5,954.42 × 1,371.95
  4. Step 4: Simplify right side
    3,969.35x = 8,169,129.89
  5. Step 5: Solve for x
    x = 8,169,129.89/3,969.35
  6. Step 6: Final answer
    x = 2,058.05

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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.