Home / 3,462.12-5,186.30-3,178.62

Finding the Fourth Proportional to 3,462.12, 5,186.30 and 3,178.62

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Solution

The fourth proportional to 3,462.12, 5,186.30 and 3,178.62 is: 4,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.12 : 5,186.30 = 3,178.62 : x
  2. Step 2: Convert to fraction form
    3,462.12/5,186.30 = 3,178.62/x
  3. Step 3: Cross multiply
    3,462.12x = 5,186.30 × 3,178.62
  4. Step 4: Simplify right side
    3,462.12x = 16,485,276.91
  5. Step 5: Solve for x
    x = 16,485,276.91/3,462.12
  6. Step 6: Final answer
    x = 4,761.61

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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.