Home / 2,757.29-4,136.71-1,114.99

Finding the Fourth Proportional to 2,757.29, 4,136.71 and 1,114.99

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Solution

The fourth proportional to 2,757.29, 4,136.71 and 1,114.99 is: 1,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.29 : 4,136.71 = 1,114.99 : x
  2. Step 2: Convert to fraction form
    2,757.29/4,136.71 = 1,114.99/x
  3. Step 3: Cross multiply
    2,757.29x = 4,136.71 × 1,114.99
  4. Step 4: Simplify right side
    2,757.29x = 4,612,381.14
  5. Step 5: Solve for x
    x = 4,612,381.14/2,757.29
  6. Step 6: Final answer
    x = 1,672.80

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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.