Home / 2,745.16-4,136.47-2,268.88

Finding the Fourth Proportional to 2,745.16, 4,136.47 and 2,268.88

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Solution

The fourth proportional to 2,745.16, 4,136.47 and 2,268.88 is: 3,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.16 : 4,136.47 = 2,268.88 : x
  2. Step 2: Convert to fraction form
    2,745.16/4,136.47 = 2,268.88/x
  3. Step 3: Cross multiply
    2,745.16x = 4,136.47 × 2,268.88
  4. Step 4: Simplify right side
    2,745.16x = 9,385,154.05
  5. Step 5: Solve for x
    x = 9,385,154.05/2,745.16
  6. Step 6: Final answer
    x = 3,418.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.