Home / 3,199.70-4,790.20-2,584.60

Finding the Fourth Proportional to 3,199.70, 4,790.20 and 2,584.60

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Solution

The fourth proportional to 3,199.70, 4,790.20 and 2,584.60 is: 3,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.70 : 4,790.20 = 2,584.60 : x
  2. Step 2: Convert to fraction form
    3,199.70/4,790.20 = 2,584.60/x
  3. Step 3: Cross multiply
    3,199.70x = 4,790.20 × 2,584.60
  4. Step 4: Simplify right side
    3,199.70x = 12,380,732.48
  5. Step 5: Solve for x
    x = 12,380,732.48/3,199.70
  6. Step 6: Final answer
    x = 3,869.35

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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.