Home / 3,213.36-4,434.24-1,815.96

Finding the Fourth Proportional to 3,213.36, 4,434.24 and 1,815.96

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Solution

The fourth proportional to 3,213.36, 4,434.24 and 1,815.96 is: 2,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.36 : 4,434.24 = 1,815.96 : x
  2. Step 2: Convert to fraction form
    3,213.36/4,434.24 = 1,815.96/x
  3. Step 3: Cross multiply
    3,213.36x = 4,434.24 × 1,815.96
  4. Step 4: Simplify right side
    3,213.36x = 8,052,402.47
  5. Step 5: Solve for x
    x = 8,052,402.47/3,213.36
  6. Step 6: Final answer
    x = 2,505.91

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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.