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Finding the Fourth Proportional to 2,794.36, 3,856.26 and 1,615.36

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Solution

The fourth proportional to 2,794.36, 3,856.26 and 1,615.36 is: 2,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.36 : 3,856.26 = 1,615.36 : x
  2. Step 2: Convert to fraction form
    2,794.36/3,856.26 = 1,615.36/x
  3. Step 3: Cross multiply
    2,794.36x = 3,856.26 × 1,615.36
  4. Step 4: Simplify right side
    2,794.36x = 6,229,248.15
  5. Step 5: Solve for x
    x = 6,229,248.15/2,794.36
  6. Step 6: Final answer
    x = 2,229.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.