Home / 3,450.46-5,175.76-1,260.82

Finding the Fourth Proportional to 3,450.46, 5,175.76 and 1,260.82

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Solution

The fourth proportional to 3,450.46, 5,175.76 and 1,260.82 is: 1,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.46 : 5,175.76 = 1,260.82 : x
  2. Step 2: Convert to fraction form
    3,450.46/5,175.76 = 1,260.82/x
  3. Step 3: Cross multiply
    3,450.46x = 5,175.76 × 1,260.82
  4. Step 4: Simplify right side
    3,450.46x = 6,525,701.72
  5. Step 5: Solve for x
    x = 6,525,701.72/3,450.46
  6. Step 6: Final answer
    x = 1,891.26

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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.