Home / 3,946.42-5,917.90-2,097.09

Finding the Fourth Proportional to 3,946.42, 5,917.90 and 2,097.09

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Solution

The fourth proportional to 3,946.42, 5,917.90 and 2,097.09 is: 3,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.42 : 5,917.90 = 2,097.09 : x
  2. Step 2: Convert to fraction form
    3,946.42/5,917.90 = 2,097.09/x
  3. Step 3: Cross multiply
    3,946.42x = 5,917.90 × 2,097.09
  4. Step 4: Simplify right side
    3,946.42x = 12,410,339.32
  5. Step 5: Solve for x
    x = 12,410,339.32/3,946.42
  6. Step 6: Final answer
    x = 3,144.71

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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.