Home / 2,698.85-3,724.44-1,579.56

Finding the Fourth Proportional to 2,698.85, 3,724.44 and 1,579.56

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Solution

The fourth proportional to 2,698.85, 3,724.44 and 1,579.56 is: 2,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.85 : 3,724.44 = 1,579.56 : x
  2. Step 2: Convert to fraction form
    2,698.85/3,724.44 = 1,579.56/x
  3. Step 3: Cross multiply
    2,698.85x = 3,724.44 × 1,579.56
  4. Step 4: Simplify right side
    2,698.85x = 5,882,976.45
  5. Step 5: Solve for x
    x = 5,882,976.45/2,698.85
  6. Step 6: Final answer
    x = 2,179.81

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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.