Home / 2,745-3,795.30-2,622.60

Finding the Fourth Proportional to 2,745, 3,795.30 and 2,622.60

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Solution

The fourth proportional to 2,745, 3,795.30 and 2,622.60 is: 3,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745 : 3,795.30 = 2,622.60 : x
  2. Step 2: Convert to fraction form
    2,745/3,795.30 = 2,622.60/x
  3. Step 3: Cross multiply
    2,745x = 3,795.30 × 2,622.60
  4. Step 4: Simplify right side
    2,745x = 9,953,553.78
  5. Step 5: Solve for x
    x = 9,953,553.78/2,745
  6. Step 6: Final answer
    x = 3,626.07

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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.