Home / 3,946.56-5,919.68-1,637.44

Finding the Fourth Proportional to 3,946.56, 5,919.68 and 1,637.44

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Solution

The fourth proportional to 3,946.56, 5,919.68 and 1,637.44 is: 2,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.56 : 5,919.68 = 1,637.44 : x
  2. Step 2: Convert to fraction form
    3,946.56/5,919.68 = 1,637.44/x
  3. Step 3: Cross multiply
    3,946.56x = 5,919.68 × 1,637.44
  4. Step 4: Simplify right side
    3,946.56x = 9,693,120.82
  5. Step 5: Solve for x
    x = 9,693,120.82/3,946.56
  6. Step 6: Final answer
    x = 2,456.09

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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.