Home / 3,136.74-4,706.76-2,278.14

Finding the Fourth Proportional to 3,136.74, 4,706.76 and 2,278.14

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Solution

The fourth proportional to 3,136.74, 4,706.76 and 2,278.14 is: 3,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.74 : 4,706.76 = 2,278.14 : x
  2. Step 2: Convert to fraction form
    3,136.74/4,706.76 = 2,278.14/x
  3. Step 3: Cross multiply
    3,136.74x = 4,706.76 × 2,278.14
  4. Step 4: Simplify right side
    3,136.74x = 10,722,658.23
  5. Step 5: Solve for x
    x = 10,722,658.23/3,136.74
  6. Step 6: Final answer
    x = 3,418.41

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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.