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Finding the Fourth Proportional to 3,539, 5,271.12 and 3,353.96

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Solution

The fourth proportional to 3,539, 5,271.12 and 3,353.96 is: 4,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539 : 5,271.12 = 3,353.96 : x
  2. Step 2: Convert to fraction form
    3,539/5,271.12 = 3,353.96/x
  3. Step 3: Cross multiply
    3,539x = 5,271.12 × 3,353.96
  4. Step 4: Simplify right side
    3,539x = 17,679,125.64
  5. Step 5: Solve for x
    x = 17,679,125.64/3,539
  6. Step 6: Final answer
    x = 4,995.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.