Home / 2,136.32-3,209.88-2,049.92

Finding the Fourth Proportional to 2,136.32, 3,209.88 and 2,049.92

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Solution

The fourth proportional to 2,136.32, 3,209.88 and 2,049.92 is: 3,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.32 : 3,209.88 = 2,049.92 : x
  2. Step 2: Convert to fraction form
    2,136.32/3,209.88 = 2,049.92/x
  3. Step 3: Cross multiply
    2,136.32x = 3,209.88 × 2,049.92
  4. Step 4: Simplify right side
    2,136.32x = 6,579,997.21
  5. Step 5: Solve for x
    x = 6,579,997.21/2,136.32
  6. Step 6: Final answer
    x = 3,080.06

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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.