Home / 3,450.31-4,759.41-2,505

Finding the Fourth Proportional to 3,450.31, 4,759.41 and 2,505

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Solution

The fourth proportional to 3,450.31, 4,759.41 and 2,505 is: 3,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.31 : 4,759.41 = 2,505 : x
  2. Step 2: Convert to fraction form
    3,450.31/4,759.41 = 2,505/x
  3. Step 3: Cross multiply
    3,450.31x = 4,759.41 × 2,505
  4. Step 4: Simplify right side
    3,450.31x = 11,922,322.05
  5. Step 5: Solve for x
    x = 11,922,322.05/3,450.31
  6. Step 6: Final answer
    x = 3,455.44

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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.