Home / 2,997.14-4,138.90-2,833.52

Finding the Fourth Proportional to 2,997.14, 4,138.90 and 2,833.52

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Solution

The fourth proportional to 2,997.14, 4,138.90 and 2,833.52 is: 3,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.14 : 4,138.90 = 2,833.52 : x
  2. Step 2: Convert to fraction form
    2,997.14/4,138.90 = 2,833.52/x
  3. Step 3: Cross multiply
    2,997.14x = 4,138.90 × 2,833.52
  4. Step 4: Simplify right side
    2,997.14x = 11,727,628.15
  5. Step 5: Solve for x
    x = 11,727,628.15/2,997.14
  6. Step 6: Final answer
    x = 3,912.95

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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.