Home / 2,136.06-3,204.36-838.44

Finding the Fourth Proportional to 2,136.06, 3,204.36 and 838.44

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Solution

The fourth proportional to 2,136.06, 3,204.36 and 838.44 is: 1,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.06 : 3,204.36 = 838.44 : x
  2. Step 2: Convert to fraction form
    2,136.06/3,204.36 = 838.44/x
  3. Step 3: Cross multiply
    2,136.06x = 3,204.36 × 838.44
  4. Step 4: Simplify right side
    2,136.06x = 2,686,663.60
  5. Step 5: Solve for x
    x = 2,686,663.60/2,136.06
  6. Step 6: Final answer
    x = 1,257.77

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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.