Home / 3,073.38-4,611.45-1,318.84

Finding the Fourth Proportional to 3,073.38, 4,611.45 and 1,318.84

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Solution

The fourth proportional to 3,073.38, 4,611.45 and 1,318.84 is: 1,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.38 : 4,611.45 = 1,318.84 : x
  2. Step 2: Convert to fraction form
    3,073.38/4,611.45 = 1,318.84/x
  3. Step 3: Cross multiply
    3,073.38x = 4,611.45 × 1,318.84
  4. Step 4: Simplify right side
    3,073.38x = 6,081,764.72
  5. Step 5: Solve for x
    x = 6,081,764.72/3,073.38
  6. Step 6: Final answer
    x = 1,978.85

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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.