Home / 3,106.38-4,284.99-2,099.82

Finding the Fourth Proportional to 3,106.38, 4,284.99 and 2,099.82

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Solution

The fourth proportional to 3,106.38, 4,284.99 and 2,099.82 is: 2,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.38 : 4,284.99 = 2,099.82 : x
  2. Step 2: Convert to fraction form
    3,106.38/4,284.99 = 2,099.82/x
  3. Step 3: Cross multiply
    3,106.38x = 4,284.99 × 2,099.82
  4. Step 4: Simplify right side
    3,106.38x = 8,997,707.70
  5. Step 5: Solve for x
    x = 8,997,707.70/3,106.38
  6. Step 6: Final answer
    x = 2,896.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.