Home / 3,224.04-4,420.20-3,165.72

Finding the Fourth Proportional to 3,224.04, 4,420.20 and 3,165.72

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Solution

The fourth proportional to 3,224.04, 4,420.20 and 3,165.72 is: 4,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.04 : 4,420.20 = 3,165.72 : x
  2. Step 2: Convert to fraction form
    3,224.04/4,420.20 = 3,165.72/x
  3. Step 3: Cross multiply
    3,224.04x = 4,420.20 × 3,165.72
  4. Step 4: Simplify right side
    3,224.04x = 13,993,115.54
  5. Step 5: Solve for x
    x = 13,993,115.54/3,224.04
  6. Step 6: Final answer
    x = 4,340.24

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.