Home / 3,293.87-4,939.11-1,213.15

Finding the Fourth Proportional to 3,293.87, 4,939.11 and 1,213.15

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Solution

The fourth proportional to 3,293.87, 4,939.11 and 1,213.15 is: 1,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.87 : 4,939.11 = 1,213.15 : x
  2. Step 2: Convert to fraction form
    3,293.87/4,939.11 = 1,213.15/x
  3. Step 3: Cross multiply
    3,293.87x = 4,939.11 × 1,213.15
  4. Step 4: Simplify right side
    3,293.87x = 5,991,881.30
  5. Step 5: Solve for x
    x = 5,991,881.30/3,293.87
  6. Step 6: Final answer
    x = 1,819.10

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1.5x scale

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.