Home / 3,988.52-5,982.00-1,522.75

Finding the Fourth Proportional to 3,988.52, 5,982.00 and 1,522.75

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Solution

The fourth proportional to 3,988.52, 5,982.00 and 1,522.75 is: 2,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.52 : 5,982.00 = 1,522.75 : x
  2. Step 2: Convert to fraction form
    3,988.52/5,982.00 = 1,522.75/x
  3. Step 3: Cross multiply
    3,988.52x = 5,982.00 × 1,522.75
  4. Step 4: Simplify right side
    3,988.52x = 9,109,089.62
  5. Step 5: Solve for x
    x = 9,109,089.62/3,988.52
  6. Step 6: Final answer
    x = 2,283.83

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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.