Home / 3,076.57-4,251.23-2,190.84

Finding the Fourth Proportional to 3,076.57, 4,251.23 and 2,190.84

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Solution

The fourth proportional to 3,076.57, 4,251.23 and 2,190.84 is: 3,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.57 : 4,251.23 = 2,190.84 : x
  2. Step 2: Convert to fraction form
    3,076.57/4,251.23 = 2,190.84/x
  3. Step 3: Cross multiply
    3,076.57x = 4,251.23 × 2,190.84
  4. Step 4: Simplify right side
    3,076.57x = 9,313,764.73
  5. Step 5: Solve for x
    x = 9,313,764.73/3,076.57
  6. Step 6: Final answer
    x = 3,027.32

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1.5x scale

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.