Home / 2,136.23-3,205.09-1,096.72

Finding the Fourth Proportional to 2,136.23, 3,205.09 and 1,096.72

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Solution

The fourth proportional to 2,136.23, 3,205.09 and 1,096.72 is: 1,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.23 : 3,205.09 = 1,096.72 : x
  2. Step 2: Convert to fraction form
    2,136.23/3,205.09 = 1,096.72/x
  3. Step 3: Cross multiply
    2,136.23x = 3,205.09 × 1,096.72
  4. Step 4: Simplify right side
    2,136.23x = 3,515,070.28
  5. Step 5: Solve for x
    x = 3,515,070.28/2,136.23
  6. Step 6: Final answer
    x = 1,645.46

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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.