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Finding the Fourth Proportional to 3,493.08, 4,819.08 and 2,000.21

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Solution

The fourth proportional to 3,493.08, 4,819.08 and 2,000.21 is: 2,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.08 : 4,819.08 = 2,000.21 : x
  2. Step 2: Convert to fraction form
    3,493.08/4,819.08 = 2,000.21/x
  3. Step 3: Cross multiply
    3,493.08x = 4,819.08 × 2,000.21
  4. Step 4: Simplify right side
    3,493.08x = 9,639,155.41
  5. Step 5: Solve for x
    x = 9,639,155.41/3,493.08
  6. Step 6: Final answer
    x = 2,759.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.