Home / 3,946.62-5,446.25-2,154.03

Finding the Fourth Proportional to 3,946.62, 5,446.25 and 2,154.03

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Solution

The fourth proportional to 3,946.62, 5,446.25 and 2,154.03 is: 2,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.62 : 5,446.25 = 2,154.03 : x
  2. Step 2: Convert to fraction form
    3,946.62/5,446.25 = 2,154.03/x
  3. Step 3: Cross multiply
    3,946.62x = 5,446.25 × 2,154.03
  4. Step 4: Simplify right side
    3,946.62x = 11,731,402.67
  5. Step 5: Solve for x
    x = 11,731,402.67/3,946.62
  6. Step 6: Final answer
    x = 2,972.52

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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.