Home / 3,180.96-4,388.83-2,061.95

Finding the Fourth Proportional to 3,180.96, 4,388.83 and 2,061.95

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Solution

The fourth proportional to 3,180.96, 4,388.83 and 2,061.95 is: 2,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.96 : 4,388.83 = 2,061.95 : x
  2. Step 2: Convert to fraction form
    3,180.96/4,388.83 = 2,061.95/x
  3. Step 3: Cross multiply
    3,180.96x = 4,388.83 × 2,061.95
  4. Step 4: Simplify right side
    3,180.96x = 9,049,520.92
  5. Step 5: Solve for x
    x = 9,049,520.92/3,180.96
  6. Step 6: Final answer
    x = 2,844.90

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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.