Home / 3,553.75-4,904.19-1,981.96

Finding the Fourth Proportional to 3,553.75, 4,904.19 and 1,981.96

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Solution

The fourth proportional to 3,553.75, 4,904.19 and 1,981.96 is: 2,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.75 : 4,904.19 = 1,981.96 : x
  2. Step 2: Convert to fraction form
    3,553.75/4,904.19 = 1,981.96/x
  3. Step 3: Cross multiply
    3,553.75x = 4,904.19 × 1,981.96
  4. Step 4: Simplify right side
    3,553.75x = 9,719,908.41
  5. Step 5: Solve for x
    x = 9,719,908.41/3,553.75
  6. Step 6: Final answer
    x = 2,735.11

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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.