Home / 2,799.21-4,198.65-1,043.88

Finding the Fourth Proportional to 2,799.21, 4,198.65 and 1,043.88

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Solution

The fourth proportional to 2,799.21, 4,198.65 and 1,043.88 is: 1,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.21 : 4,198.65 = 1,043.88 : x
  2. Step 2: Convert to fraction form
    2,799.21/4,198.65 = 1,043.88/x
  3. Step 3: Cross multiply
    2,799.21x = 4,198.65 × 1,043.88
  4. Step 4: Simplify right side
    2,799.21x = 4,382,860.55
  5. Step 5: Solve for x
    x = 4,382,860.55/2,799.21
  6. Step 6: Final answer
    x = 1,565.75

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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.