Home / 2,136.24-3,199.92-1,723.20

Finding the Fourth Proportional to 2,136.24, 3,199.92 and 1,723.20

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Solution

The fourth proportional to 2,136.24, 3,199.92 and 1,723.20 is: 2,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.24 : 3,199.92 = 1,723.20 : x
  2. Step 2: Convert to fraction form
    2,136.24/3,199.92 = 1,723.20/x
  3. Step 3: Cross multiply
    2,136.24x = 3,199.92 × 1,723.20
  4. Step 4: Simplify right side
    2,136.24x = 5,514,102.14
  5. Step 5: Solve for x
    x = 5,514,102.14/2,136.24
  6. Step 6: Final answer
    x = 2,581.22

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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.