Home / 2,205.25-3,044.87-1,505.41

Finding the Fourth Proportional to 2,205.25, 3,044.87 and 1,505.41

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Solution

The fourth proportional to 2,205.25, 3,044.87 and 1,505.41 is: 2,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.25 : 3,044.87 = 1,505.41 : x
  2. Step 2: Convert to fraction form
    2,205.25/3,044.87 = 1,505.41/x
  3. Step 3: Cross multiply
    2,205.25x = 3,044.87 × 1,505.41
  4. Step 4: Simplify right side
    2,205.25x = 4,583,777.75
  5. Step 5: Solve for x
    x = 4,583,777.75/2,205.25
  6. Step 6: Final answer
    x = 2,078.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.