Home / 2,136.89-3,201.49-2,008.23

Finding the Fourth Proportional to 2,136.89, 3,201.49 and 2,008.23

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Solution

The fourth proportional to 2,136.89, 3,201.49 and 2,008.23 is: 3,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.89 : 3,201.49 = 2,008.23 : x
  2. Step 2: Convert to fraction form
    2,136.89/3,201.49 = 2,008.23/x
  3. Step 3: Cross multiply
    2,136.89x = 3,201.49 × 2,008.23
  4. Step 4: Simplify right side
    2,136.89x = 6,429,318.22
  5. Step 5: Solve for x
    x = 6,429,318.22/2,136.89
  6. Step 6: Final answer
    x = 3,008.73

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1.5x scale

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.