Home / 3,946.57-5,920.50-1,481.58

Finding the Fourth Proportional to 3,946.57, 5,920.50 and 1,481.58

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Solution

The fourth proportional to 3,946.57, 5,920.50 and 1,481.58 is: 2,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.57 : 5,920.50 = 1,481.58 : x
  2. Step 2: Convert to fraction form
    3,946.57/5,920.50 = 1,481.58/x
  3. Step 3: Cross multiply
    3,946.57x = 5,920.50 × 1,481.58
  4. Step 4: Simplify right side
    3,946.57x = 8,771,694.39
  5. Step 5: Solve for x
    x = 8,771,694.39/3,946.57
  6. Step 6: Final answer
    x = 2,222.61

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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.