Home / 2,136.06-3,204.54-1,259.44

Finding the Fourth Proportional to 2,136.06, 3,204.54 and 1,259.44

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Solution

The fourth proportional to 2,136.06, 3,204.54 and 1,259.44 is: 1,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.06 : 3,204.54 = 1,259.44 : x
  2. Step 2: Convert to fraction form
    2,136.06/3,204.54 = 1,259.44/x
  3. Step 3: Cross multiply
    2,136.06x = 3,204.54 × 1,259.44
  4. Step 4: Simplify right side
    2,136.06x = 4,035,925.86
  5. Step 5: Solve for x
    x = 4,035,925.86/2,136.06
  6. Step 6: Final answer
    x = 1,889.43

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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.