Home / 3,630.39-5,446.79-1,439.74

Finding the Fourth Proportional to 3,630.39, 5,446.79 and 1,439.74

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Solution

The fourth proportional to 3,630.39, 5,446.79 and 1,439.74 is: 2,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.39 : 5,446.79 = 1,439.74 : x
  2. Step 2: Convert to fraction form
    3,630.39/5,446.79 = 1,439.74/x
  3. Step 3: Cross multiply
    3,630.39x = 5,446.79 × 1,439.74
  4. Step 4: Simplify right side
    3,630.39x = 7,841,961.43
  5. Step 5: Solve for x
    x = 7,841,961.43/3,630.39
  6. Step 6: Final answer
    x = 2,160.09

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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.