Home / 3,424.23-5,136.48-1,115.73

Finding the Fourth Proportional to 3,424.23, 5,136.48 and 1,115.73

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Solution

The fourth proportional to 3,424.23, 5,136.48 and 1,115.73 is: 1,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.23 : 5,136.48 = 1,115.73 : x
  2. Step 2: Convert to fraction form
    3,424.23/5,136.48 = 1,115.73/x
  3. Step 3: Cross multiply
    3,424.23x = 5,136.48 × 1,115.73
  4. Step 4: Simplify right side
    3,424.23x = 5,730,924.83
  5. Step 5: Solve for x
    x = 5,730,924.83/3,424.23
  6. Step 6: Final answer
    x = 1,673.64

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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.