Home / 3,355.79-5,033.98-1,381.54

Finding the Fourth Proportional to 3,355.79, 5,033.98 and 1,381.54

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Solution

The fourth proportional to 3,355.79, 5,033.98 and 1,381.54 is: 2,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.79 : 5,033.98 = 1,381.54 : x
  2. Step 2: Convert to fraction form
    3,355.79/5,033.98 = 1,381.54/x
  3. Step 3: Cross multiply
    3,355.79x = 5,033.98 × 1,381.54
  4. Step 4: Simplify right side
    3,355.79x = 6,954,644.73
  5. Step 5: Solve for x
    x = 6,954,644.73/3,355.79
  6. Step 6: Final answer
    x = 2,072.43

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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.