Home / 3,989.44-5,984.97-1,523.80

Finding the Fourth Proportional to 3,989.44, 5,984.97 and 1,523.80

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Solution

The fourth proportional to 3,989.44, 5,984.97 and 1,523.80 is: 2,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.44 : 5,984.97 = 1,523.80 : x
  2. Step 2: Convert to fraction form
    3,989.44/5,984.97 = 1,523.80/x
  3. Step 3: Cross multiply
    3,989.44x = 5,984.97 × 1,523.80
  4. Step 4: Simplify right side
    3,989.44x = 9,119,897.29
  5. Step 5: Solve for x
    x = 9,119,897.29/3,989.44
  6. Step 6: Final answer
    x = 2,286.01

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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.