Home / 2,136.12-3,204.60-837.60

Finding the Fourth Proportional to 2,136.12, 3,204.60 and 837.60

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Solution

The fourth proportional to 2,136.12, 3,204.60 and 837.60 is: 1,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.12 : 3,204.60 = 837.60 : x
  2. Step 2: Convert to fraction form
    2,136.12/3,204.60 = 837.60/x
  3. Step 3: Cross multiply
    2,136.12x = 3,204.60 × 837.60
  4. Step 4: Simplify right side
    2,136.12x = 2,684,172.96
  5. Step 5: Solve for x
    x = 2,684,172.96/2,136.12
  6. Step 6: Final answer
    x = 1,256.56

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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.