Home / 2,818.31-4,226.99-1,174.41

Finding the Fourth Proportional to 2,818.31, 4,226.99 and 1,174.41

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Solution

The fourth proportional to 2,818.31, 4,226.99 and 1,174.41 is: 1,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.31 : 4,226.99 = 1,174.41 : x
  2. Step 2: Convert to fraction form
    2,818.31/4,226.99 = 1,174.41/x
  3. Step 3: Cross multiply
    2,818.31x = 4,226.99 × 1,174.41
  4. Step 4: Simplify right side
    2,818.31x = 4,964,213.45
  5. Step 5: Solve for x
    x = 4,964,213.45/2,818.31
  6. Step 6: Final answer
    x = 1,761.42

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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.