Home / 2,758.35-4,136.24-1,716.78

Finding the Fourth Proportional to 2,758.35, 4,136.24 and 1,716.78

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Solution

The fourth proportional to 2,758.35, 4,136.24 and 1,716.78 is: 2,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.35 : 4,136.24 = 1,716.78 : x
  2. Step 2: Convert to fraction form
    2,758.35/4,136.24 = 1,716.78/x
  3. Step 3: Cross multiply
    2,758.35x = 4,136.24 × 1,716.78
  4. Step 4: Simplify right side
    2,758.35x = 7,101,005.52
  5. Step 5: Solve for x
    x = 7,101,005.52/2,758.35
  6. Step 6: Final answer
    x = 2,574.37

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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.