Home / 2,829.94-4,234.87-2,087.79

Finding the Fourth Proportional to 2,829.94, 4,234.87 and 2,087.79

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Solution

The fourth proportional to 2,829.94, 4,234.87 and 2,087.79 is: 3,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.94 : 4,234.87 = 2,087.79 : x
  2. Step 2: Convert to fraction form
    2,829.94/4,234.87 = 2,087.79/x
  3. Step 3: Cross multiply
    2,829.94x = 4,234.87 × 2,087.79
  4. Step 4: Simplify right side
    2,829.94x = 8,841,519.24
  5. Step 5: Solve for x
    x = 8,841,519.24/2,829.94
  6. Step 6: Final answer
    x = 3,124.28

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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.