Home / 3,067.20-4,599.34-986.80

Finding the Fourth Proportional to 3,067.20, 4,599.34 and 986.80

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Solution

The fourth proportional to 3,067.20, 4,599.34 and 986.80 is: 1,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.20 : 4,599.34 = 986.80 : x
  2. Step 2: Convert to fraction form
    3,067.20/4,599.34 = 986.80/x
  3. Step 3: Cross multiply
    3,067.20x = 4,599.34 × 986.80
  4. Step 4: Simplify right side
    3,067.20x = 4,538,628.71
  5. Step 5: Solve for x
    x = 4,538,628.71/3,067.20
  6. Step 6: Final answer
    x = 1,479.73

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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.