Home / 3,479.52-5,219.30-1,631.94

Finding the Fourth Proportional to 3,479.52, 5,219.30 and 1,631.94

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Solution

The fourth proportional to 3,479.52, 5,219.30 and 1,631.94 is: 2,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.52 : 5,219.30 = 1,631.94 : x
  2. Step 2: Convert to fraction form
    3,479.52/5,219.30 = 1,631.94/x
  3. Step 3: Cross multiply
    3,479.52x = 5,219.30 × 1,631.94
  4. Step 4: Simplify right side
    3,479.52x = 8,517,584.44
  5. Step 5: Solve for x
    x = 8,517,584.44/3,479.52
  6. Step 6: Final answer
    x = 2,447.92

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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.