Home / 3,698.74-5,104.22-2,020.14

Finding the Fourth Proportional to 3,698.74, 5,104.22 and 2,020.14

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Solution

The fourth proportional to 3,698.74, 5,104.22 and 2,020.14 is: 2,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.74 : 5,104.22 = 2,020.14 : x
  2. Step 2: Convert to fraction form
    3,698.74/5,104.22 = 2,020.14/x
  3. Step 3: Cross multiply
    3,698.74x = 5,104.22 × 2,020.14
  4. Step 4: Simplify right side
    3,698.74x = 10,311,245.94
  5. Step 5: Solve for x
    x = 10,311,245.94/3,698.74
  6. Step 6: Final answer
    x = 2,787.77

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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.