Home / 3,942.72-5,437.44-2,544

Finding the Fourth Proportional to 3,942.72, 5,437.44 and 2,544

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Solution

The fourth proportional to 3,942.72, 5,437.44 and 2,544 is: 3,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.72 : 5,437.44 = 2,544 : x
  2. Step 2: Convert to fraction form
    3,942.72/5,437.44 = 2,544/x
  3. Step 3: Cross multiply
    3,942.72x = 5,437.44 × 2,544
  4. Step 4: Simplify right side
    3,942.72x = 13,832,847.36
  5. Step 5: Solve for x
    x = 13,832,847.36/3,942.72
  6. Step 6: Final answer
    x = 3,508.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.