Home / 2,136.97-3,220.04-1,901.26

Finding the Fourth Proportional to 2,136.97, 3,220.04 and 1,901.26

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Solution

The fourth proportional to 2,136.97, 3,220.04 and 1,901.26 is: 2,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.97 : 3,220.04 = 1,901.26 : x
  2. Step 2: Convert to fraction form
    2,136.97/3,220.04 = 1,901.26/x
  3. Step 3: Cross multiply
    2,136.97x = 3,220.04 × 1,901.26
  4. Step 4: Simplify right side
    2,136.97x = 6,122,133.25
  5. Step 5: Solve for x
    x = 6,122,133.25/2,136.97
  6. Step 6: Final answer
    x = 2,864.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.