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Finding the Fourth Proportional to 2,893.52, 3,993 and 1,567.22

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Solution

The fourth proportional to 2,893.52, 3,993 and 1,567.22 is: 2,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.52 : 3,993 = 1,567.22 : x
  2. Step 2: Convert to fraction form
    2,893.52/3,993 = 1,567.22/x
  3. Step 3: Cross multiply
    2,893.52x = 3,993 × 1,567.22
  4. Step 4: Simplify right side
    2,893.52x = 6,257,909.46
  5. Step 5: Solve for x
    x = 6,257,909.46/2,893.52
  6. Step 6: Final answer
    x = 2,162.73

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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.