Home / 3,183.54-4,395-2,136.18

Finding the Fourth Proportional to 3,183.54, 4,395 and 2,136.18

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Solution

The fourth proportional to 3,183.54, 4,395 and 2,136.18 is: 2,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.54 : 4,395 = 2,136.18 : x
  2. Step 2: Convert to fraction form
    3,183.54/4,395 = 2,136.18/x
  3. Step 3: Cross multiply
    3,183.54x = 4,395 × 2,136.18
  4. Step 4: Simplify right side
    3,183.54x = 9,388,511.10
  5. Step 5: Solve for x
    x = 9,388,511.10/3,183.54
  6. Step 6: Final answer
    x = 2,949.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.