Home / 2,814.42-3,884.49-1,635.42

Finding the Fourth Proportional to 2,814.42, 3,884.49 and 1,635.42

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Solution

The fourth proportional to 2,814.42, 3,884.49 and 1,635.42 is: 2,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.42 : 3,884.49 = 1,635.42 : x
  2. Step 2: Convert to fraction form
    2,814.42/3,884.49 = 1,635.42/x
  3. Step 3: Cross multiply
    2,814.42x = 3,884.49 × 1,635.42
  4. Step 4: Simplify right side
    2,814.42x = 6,352,772.64
  5. Step 5: Solve for x
    x = 6,352,772.64/2,814.42
  6. Step 6: Final answer
    x = 2,257.22

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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.