Home / 3,054.90-4,581-1,107.12

Finding the Fourth Proportional to 3,054.90, 4,581 and 1,107.12

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Solution

The fourth proportional to 3,054.90, 4,581 and 1,107.12 is: 1,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.90 : 4,581 = 1,107.12 : x
  2. Step 2: Convert to fraction form
    3,054.90/4,581 = 1,107.12/x
  3. Step 3: Cross multiply
    3,054.90x = 4,581 × 1,107.12
  4. Step 4: Simplify right side
    3,054.90x = 5,071,716.72
  5. Step 5: Solve for x
    x = 5,071,716.72/3,054.90
  6. Step 6: Final answer
    x = 1,660.19

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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.