Home / 3,078.82-4,618.24-1,131.03

Finding the Fourth Proportional to 3,078.82, 4,618.24 and 1,131.03

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Solution

The fourth proportional to 3,078.82, 4,618.24 and 1,131.03 is: 1,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.82 : 4,618.24 = 1,131.03 : x
  2. Step 2: Convert to fraction form
    3,078.82/4,618.24 = 1,131.03/x
  3. Step 3: Cross multiply
    3,078.82x = 4,618.24 × 1,131.03
  4. Step 4: Simplify right side
    3,078.82x = 5,223,365.16
  5. Step 5: Solve for x
    x = 5,223,365.16/3,078.82
  6. Step 6: Final answer
    x = 1,696.55

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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.