Home / 3,324-4,983.12-1,679.52

Finding the Fourth Proportional to 3,324, 4,983.12 and 1,679.52

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Solution

The fourth proportional to 3,324, 4,983.12 and 1,679.52 is: 2,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324 : 4,983.12 = 1,679.52 : x
  2. Step 2: Convert to fraction form
    3,324/4,983.12 = 1,679.52/x
  3. Step 3: Cross multiply
    3,324x = 4,983.12 × 1,679.52
  4. Step 4: Simplify right side
    3,324x = 8,369,249.70
  5. Step 5: Solve for x
    x = 8,369,249.70/3,324
  6. Step 6: Final answer
    x = 2,517.82

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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.