Home / 2,799.39-4,199.60-1,155.03

Finding the Fourth Proportional to 2,799.39, 4,199.60 and 1,155.03

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Solution

The fourth proportional to 2,799.39, 4,199.60 and 1,155.03 is: 1,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.39 : 4,199.60 = 1,155.03 : x
  2. Step 2: Convert to fraction form
    2,799.39/4,199.60 = 1,155.03/x
  3. Step 3: Cross multiply
    2,799.39x = 4,199.60 × 1,155.03
  4. Step 4: Simplify right side
    2,799.39x = 4,850,658.21
  5. Step 5: Solve for x
    x = 4,850,658.21/2,799.39
  6. Step 6: Final answer
    x = 1,732.76

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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.