Home / 3,608.20-5,412.30-2,217.04

Finding the Fourth Proportional to 3,608.20, 5,412.30 and 2,217.04

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Solution

The fourth proportional to 3,608.20, 5,412.30 and 2,217.04 is: 3,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.20 : 5,412.30 = 2,217.04 : x
  2. Step 2: Convert to fraction form
    3,608.20/5,412.30 = 2,217.04/x
  3. Step 3: Cross multiply
    3,608.20x = 5,412.30 × 2,217.04
  4. Step 4: Simplify right side
    3,608.20x = 11,999,285.59
  5. Step 5: Solve for x
    x = 11,999,285.59/3,608.20
  6. Step 6: Final answer
    x = 3,325.56

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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.