Home / 3,333.72-4,995.32-2,161.66

Finding the Fourth Proportional to 3,333.72, 4,995.32 and 2,161.66

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Solution

The fourth proportional to 3,333.72, 4,995.32 and 2,161.66 is: 3,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.72 : 4,995.32 = 2,161.66 : x
  2. Step 2: Convert to fraction form
    3,333.72/4,995.32 = 2,161.66/x
  3. Step 3: Cross multiply
    3,333.72x = 4,995.32 × 2,161.66
  4. Step 4: Simplify right side
    3,333.72x = 10,798,183.43
  5. Step 5: Solve for x
    x = 10,798,183.43/3,333.72
  6. Step 6: Final answer
    x = 3,239.08

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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.