Home / 2,136.33-2,922.75-2,127.09

Finding the Fourth Proportional to 2,136.33, 2,922.75 and 2,127.09

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Solution

The fourth proportional to 2,136.33, 2,922.75 and 2,127.09 is: 2,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.33 : 2,922.75 = 2,127.09 : x
  2. Step 2: Convert to fraction form
    2,136.33/2,922.75 = 2,127.09/x
  3. Step 3: Cross multiply
    2,136.33x = 2,922.75 × 2,127.09
  4. Step 4: Simplify right side
    2,136.33x = 6,216,952.30
  5. Step 5: Solve for x
    x = 6,216,952.30/2,136.33
  6. Step 6: Final answer
    x = 2,910.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.