Home / 3,179.70-4,744.26-2,712.24

Finding the Fourth Proportional to 3,179.70, 4,744.26 and 2,712.24

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Solution

The fourth proportional to 3,179.70, 4,744.26 and 2,712.24 is: 4,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.70 : 4,744.26 = 2,712.24 : x
  2. Step 2: Convert to fraction form
    3,179.70/4,744.26 = 2,712.24/x
  3. Step 3: Cross multiply
    3,179.70x = 4,744.26 × 2,712.24
  4. Step 4: Simplify right side
    3,179.70x = 12,867,571.74
  5. Step 5: Solve for x
    x = 12,867,571.74/3,179.70
  6. Step 6: Final answer
    x = 4,046.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.