Home / 3,563.20-5,336.70-2,105.20

Finding the Fourth Proportional to 3,563.20, 5,336.70 and 2,105.20

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Solution

The fourth proportional to 3,563.20, 5,336.70 and 2,105.20 is: 3,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.20 : 5,336.70 = 2,105.20 : x
  2. Step 2: Convert to fraction form
    3,563.20/5,336.70 = 2,105.20/x
  3. Step 3: Cross multiply
    3,563.20x = 5,336.70 × 2,105.20
  4. Step 4: Simplify right side
    3,563.20x = 11,234,820.84
  5. Step 5: Solve for x
    x = 11,234,820.84/3,563.20
  6. Step 6: Final answer
    x = 3,153.01

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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.