Home / 3,777.12-5,212.62-2,844

Finding the Fourth Proportional to 3,777.12, 5,212.62 and 2,844

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Solution

The fourth proportional to 3,777.12, 5,212.62 and 2,844 is: 3,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.12 : 5,212.62 = 2,844 : x
  2. Step 2: Convert to fraction form
    3,777.12/5,212.62 = 2,844/x
  3. Step 3: Cross multiply
    3,777.12x = 5,212.62 × 2,844
  4. Step 4: Simplify right side
    3,777.12x = 14,824,691.28
  5. Step 5: Solve for x
    x = 14,824,691.28/3,777.12
  6. Step 6: Final answer
    x = 3,924.87

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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.