Home / 3,919.62-5,877.36-1,727.31

Finding the Fourth Proportional to 3,919.62, 5,877.36 and 1,727.31

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Solution

The fourth proportional to 3,919.62, 5,877.36 and 1,727.31 is: 2,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.62 : 5,877.36 = 1,727.31 : x
  2. Step 2: Convert to fraction form
    3,919.62/5,877.36 = 1,727.31/x
  3. Step 3: Cross multiply
    3,919.62x = 5,877.36 × 1,727.31
  4. Step 4: Simplify right side
    3,919.62x = 10,152,022.70
  5. Step 5: Solve for x
    x = 10,152,022.70/3,919.62
  6. Step 6: Final answer
    x = 2,590.05

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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.