Home / 2,758.25-4,136.87-1,724.63

Finding the Fourth Proportional to 2,758.25, 4,136.87 and 1,724.63

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Solution

The fourth proportional to 2,758.25, 4,136.87 and 1,724.63 is: 2,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.25 : 4,136.87 = 1,724.63 : x
  2. Step 2: Convert to fraction form
    2,758.25/4,136.87 = 1,724.63/x
  3. Step 3: Cross multiply
    2,758.25x = 4,136.87 × 1,724.63
  4. Step 4: Simplify right side
    2,758.25x = 7,134,553.74
  5. Step 5: Solve for x
    x = 7,134,553.74/2,758.25
  6. Step 6: Final answer
    x = 2,586.62

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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.