Home / 2,924.80-4,381.44-1,691.44

Finding the Fourth Proportional to 2,924.80, 4,381.44 and 1,691.44

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Solution

The fourth proportional to 2,924.80, 4,381.44 and 1,691.44 is: 2,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.80 : 4,381.44 = 1,691.44 : x
  2. Step 2: Convert to fraction form
    2,924.80/4,381.44 = 1,691.44/x
  3. Step 3: Cross multiply
    2,924.80x = 4,381.44 × 1,691.44
  4. Step 4: Simplify right side
    2,924.80x = 7,410,942.87
  5. Step 5: Solve for x
    x = 7,410,942.87/2,924.80
  6. Step 6: Final answer
    x = 2,533.83

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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.