Home / 3,217.70-4,819.26-2,520.02

Finding the Fourth Proportional to 3,217.70, 4,819.26 and 2,520.02

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Solution

The fourth proportional to 3,217.70, 4,819.26 and 2,520.02 is: 3,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.70 : 4,819.26 = 2,520.02 : x
  2. Step 2: Convert to fraction form
    3,217.70/4,819.26 = 2,520.02/x
  3. Step 3: Cross multiply
    3,217.70x = 4,819.26 × 2,520.02
  4. Step 4: Simplify right side
    3,217.70x = 12,144,631.59
  5. Step 5: Solve for x
    x = 12,144,631.59/3,217.70
  6. Step 6: Final answer
    x = 3,774.32

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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.