Home / 3,072.11-4,608.36-880.79

Finding the Fourth Proportional to 3,072.11, 4,608.36 and 880.79

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Solution

The fourth proportional to 3,072.11, 4,608.36 and 880.79 is: 1,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.11 : 4,608.36 = 880.79 : x
  2. Step 2: Convert to fraction form
    3,072.11/4,608.36 = 880.79/x
  3. Step 3: Cross multiply
    3,072.11x = 4,608.36 × 880.79
  4. Step 4: Simplify right side
    3,072.11x = 4,058,974.36
  5. Step 5: Solve for x
    x = 4,058,974.36/3,072.11
  6. Step 6: Final answer
    x = 1,321.24

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1.5x scale

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.