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Finding the Fourth Proportional to 2,068, 3,103.26 and 835.28

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Solution

The fourth proportional to 2,068, 3,103.26 and 835.28 is: 1,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068 : 3,103.26 = 835.28 : x
  2. Step 2: Convert to fraction form
    2,068/3,103.26 = 835.28/x
  3. Step 3: Cross multiply
    2,068x = 3,103.26 × 835.28
  4. Step 4: Simplify right side
    2,068x = 2,592,091.01
  5. Step 5: Solve for x
    x = 2,592,091.01/2,068
  6. Step 6: Final answer
    x = 1,253.43

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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.