Home / 3,410.43-5,121.81-3,136.02

Finding the Fourth Proportional to 3,410.43, 5,121.81 and 3,136.02

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Solution

The fourth proportional to 3,410.43, 5,121.81 and 3,136.02 is: 4,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.43 : 5,121.81 = 3,136.02 : x
  2. Step 2: Convert to fraction form
    3,410.43/5,121.81 = 3,136.02/x
  3. Step 3: Cross multiply
    3,410.43x = 5,121.81 × 3,136.02
  4. Step 4: Simplify right side
    3,410.43x = 16,062,098.60
  5. Step 5: Solve for x
    x = 16,062,098.60/3,410.43
  6. Step 6: Final answer
    x = 4,709.70

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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.