Home / 3,673.12-5,511.18-2,213.32

Finding the Fourth Proportional to 3,673.12, 5,511.18 and 2,213.32

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Solution

The fourth proportional to 3,673.12, 5,511.18 and 2,213.32 is: 3,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.12 : 5,511.18 = 2,213.32 : x
  2. Step 2: Convert to fraction form
    3,673.12/5,511.18 = 2,213.32/x
  3. Step 3: Cross multiply
    3,673.12x = 5,511.18 × 2,213.32
  4. Step 4: Simplify right side
    3,673.12x = 12,198,004.92
  5. Step 5: Solve for x
    x = 12,198,004.92/3,673.12
  6. Step 6: Final answer
    x = 3,320.88

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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.