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Finding the Fourth Proportional to 3,988.47, 5,982.70 and 1,794.63

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Solution

The fourth proportional to 3,988.47, 5,982.70 and 1,794.63 is: 2,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.47 : 5,982.70 = 1,794.63 : x
  2. Step 2: Convert to fraction form
    3,988.47/5,982.70 = 1,794.63/x
  3. Step 3: Cross multiply
    3,988.47x = 5,982.70 × 1,794.63
  4. Step 4: Simplify right side
    3,988.47x = 10,736,737.39
  5. Step 5: Solve for x
    x = 10,736,737.39/3,988.47
  6. Step 6: Final answer
    x = 2,691.95

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Similar ratio
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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.