Home / 2,799.28-4,198.58-950.36

Finding the Fourth Proportional to 2,799.28, 4,198.58 and 950.36

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Solution

The fourth proportional to 2,799.28, 4,198.58 and 950.36 is: 1,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.28 : 4,198.58 = 950.36 : x
  2. Step 2: Convert to fraction form
    2,799.28/4,198.58 = 950.36/x
  3. Step 3: Cross multiply
    2,799.28x = 4,198.58 × 950.36
  4. Step 4: Simplify right side
    2,799.28x = 3,990,157.46
  5. Step 5: Solve for x
    x = 3,990,157.46/2,799.28
  6. Step 6: Final answer
    x = 1,425.42

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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.