Home / 3,381.59-5,067.52-1,917.65

Finding the Fourth Proportional to 3,381.59, 5,067.52 and 1,917.65

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Solution

The fourth proportional to 3,381.59, 5,067.52 and 1,917.65 is: 2,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.59 : 5,067.52 = 1,917.65 : x
  2. Step 2: Convert to fraction form
    3,381.59/5,067.52 = 1,917.65/x
  3. Step 3: Cross multiply
    3,381.59x = 5,067.52 × 1,917.65
  4. Step 4: Simplify right side
    3,381.59x = 9,717,737.60
  5. Step 5: Solve for x
    x = 9,717,737.60/3,381.59
  6. Step 6: Final answer
    x = 2,873.72

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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.