Home / 2,136.29-3,199.07-1,353.92

Finding the Fourth Proportional to 2,136.29, 3,199.07 and 1,353.92

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Solution

The fourth proportional to 2,136.29, 3,199.07 and 1,353.92 is: 2,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.29 : 3,199.07 = 1,353.92 : x
  2. Step 2: Convert to fraction form
    2,136.29/3,199.07 = 1,353.92/x
  3. Step 3: Cross multiply
    2,136.29x = 3,199.07 × 1,353.92
  4. Step 4: Simplify right side
    2,136.29x = 4,331,272.24
  5. Step 5: Solve for x
    x = 4,331,272.24/2,136.29
  6. Step 6: Final answer
    x = 2,027.48

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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.