Home / 2,829.05-4,245.22-1,185.46

Finding the Fourth Proportional to 2,829.05, 4,245.22 and 1,185.46

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Solution

The fourth proportional to 2,829.05, 4,245.22 and 1,185.46 is: 1,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.05 : 4,245.22 = 1,185.46 : x
  2. Step 2: Convert to fraction form
    2,829.05/4,245.22 = 1,185.46/x
  3. Step 3: Cross multiply
    2,829.05x = 4,245.22 × 1,185.46
  4. Step 4: Simplify right side
    2,829.05x = 5,032,517.28
  5. Step 5: Solve for x
    x = 5,032,517.28/2,829.05
  6. Step 6: Final answer
    x = 1,778.87

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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.