Home / 3,136.44-4,706.19-1,288.11

Finding the Fourth Proportional to 3,136.44, 4,706.19 and 1,288.11

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Solution

The fourth proportional to 3,136.44, 4,706.19 and 1,288.11 is: 1,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.44 : 4,706.19 = 1,288.11 : x
  2. Step 2: Convert to fraction form
    3,136.44/4,706.19 = 1,288.11/x
  3. Step 3: Cross multiply
    3,136.44x = 4,706.19 × 1,288.11
  4. Step 4: Simplify right side
    3,136.44x = 6,062,090.40
  5. Step 5: Solve for x
    x = 6,062,090.40/3,136.44
  6. Step 6: Final answer
    x = 1,932.79

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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.