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Finding the Fourth Proportional to 2,566.92, 3,850.29 and 835.50

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Solution

The fourth proportional to 2,566.92, 3,850.29 and 835.50 is: 1,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.92 : 3,850.29 = 835.50 : x
  2. Step 2: Convert to fraction form
    2,566.92/3,850.29 = 835.50/x
  3. Step 3: Cross multiply
    2,566.92x = 3,850.29 × 835.50
  4. Step 4: Simplify right side
    2,566.92x = 3,216,917.30
  5. Step 5: Solve for x
    x = 3,216,917.30/2,566.92
  6. Step 6: Final answer
    x = 1,253.22

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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.