Home / 3,553.20-5,329.04-1,994.72

Finding the Fourth Proportional to 3,553.20, 5,329.04 and 1,994.72

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Solution

The fourth proportional to 3,553.20, 5,329.04 and 1,994.72 is: 2,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.20 : 5,329.04 = 1,994.72 : x
  2. Step 2: Convert to fraction form
    3,553.20/5,329.04 = 1,994.72/x
  3. Step 3: Cross multiply
    3,553.20x = 5,329.04 × 1,994.72
  4. Step 4: Simplify right side
    3,553.20x = 10,629,942.67
  5. Step 5: Solve for x
    x = 10,629,942.67/3,553.20
  6. Step 6: Final answer
    x = 2,991.65

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Double scale
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Similar ratio
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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.