Home / 2,500.22-3,450.44-1,505.81

Finding the Fourth Proportional to 2,500.22, 3,450.44 and 1,505.81

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Solution

The fourth proportional to 2,500.22, 3,450.44 and 1,505.81 is: 2,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.22 : 3,450.44 = 1,505.81 : x
  2. Step 2: Convert to fraction form
    2,500.22/3,450.44 = 1,505.81/x
  3. Step 3: Cross multiply
    2,500.22x = 3,450.44 × 1,505.81
  4. Step 4: Simplify right side
    2,500.22x = 5,195,715.68
  5. Step 5: Solve for x
    x = 5,195,715.68/2,500.22
  6. Step 6: Final answer
    x = 2,078.11

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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.