Home / 3,946.46-5,921.42-2,097.14

Finding the Fourth Proportional to 3,946.46, 5,921.42 and 2,097.14

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Solution

The fourth proportional to 3,946.46, 5,921.42 and 2,097.14 is: 3,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.46 : 5,921.42 = 2,097.14 : x
  2. Step 2: Convert to fraction form
    3,946.46/5,921.42 = 2,097.14/x
  3. Step 3: Cross multiply
    3,946.46x = 5,921.42 × 2,097.14
  4. Step 4: Simplify right side
    3,946.46x = 12,418,006.65
  5. Step 5: Solve for x
    x = 12,418,006.65/3,946.46
  6. Step 6: Final answer
    x = 3,146.62

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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.