Home / 3,984.38-5,976.94-1,518.52

Finding the Fourth Proportional to 3,984.38, 5,976.94 and 1,518.52

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Solution

The fourth proportional to 3,984.38, 5,976.94 and 1,518.52 is: 2,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.38 : 5,976.94 = 1,518.52 : x
  2. Step 2: Convert to fraction form
    3,984.38/5,976.94 = 1,518.52/x
  3. Step 3: Cross multiply
    3,984.38x = 5,976.94 × 1,518.52
  4. Step 4: Simplify right side
    3,984.38x = 9,076,102.93
  5. Step 5: Solve for x
    x = 9,076,102.93/3,984.38
  6. Step 6: Final answer
    x = 2,277.92

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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.