Home / 3,606.19-5,409.88-1,107.31

Finding the Fourth Proportional to 3,606.19, 5,409.88 and 1,107.31

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Solution

The fourth proportional to 3,606.19, 5,409.88 and 1,107.31 is: 1,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.19 : 5,409.88 = 1,107.31 : x
  2. Step 2: Convert to fraction form
    3,606.19/5,409.88 = 1,107.31/x
  3. Step 3: Cross multiply
    3,606.19x = 5,409.88 × 1,107.31
  4. Step 4: Simplify right side
    3,606.19x = 5,990,414.22
  5. Step 5: Solve for x
    x = 5,990,414.22/3,606.19
  6. Step 6: Final answer
    x = 1,661.15

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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.