Home / 3,442.40-5,163.04-976.61

Finding the Fourth Proportional to 3,442.40, 5,163.04 and 976.61

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Solution

The fourth proportional to 3,442.40, 5,163.04 and 976.61 is: 1,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.40 : 5,163.04 = 976.61 : x
  2. Step 2: Convert to fraction form
    3,442.40/5,163.04 = 976.61/x
  3. Step 3: Cross multiply
    3,442.40x = 5,163.04 × 976.61
  4. Step 4: Simplify right side
    3,442.40x = 5,042,261.58
  5. Step 5: Solve for x
    x = 5,042,261.58/3,442.40
  6. Step 6: Final answer
    x = 1,464.75

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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.