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Finding the Fourth Proportional to 2,800.28, 4,198.44 and 950.96

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Solution

The fourth proportional to 2,800.28, 4,198.44 and 950.96 is: 1,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.28 : 4,198.44 = 950.96 : x
  2. Step 2: Convert to fraction form
    2,800.28/4,198.44 = 950.96/x
  3. Step 3: Cross multiply
    2,800.28x = 4,198.44 × 950.96
  4. Step 4: Simplify right side
    2,800.28x = 3,992,548.50
  5. Step 5: Solve for x
    x = 3,992,548.50/2,800.28
  6. Step 6: Final answer
    x = 1,425.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.