Home / 3,028.92-4,180.78-1,852.12

Finding the Fourth Proportional to 3,028.92, 4,180.78 and 1,852.12

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Solution

The fourth proportional to 3,028.92, 4,180.78 and 1,852.12 is: 2,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.92 : 4,180.78 = 1,852.12 : x
  2. Step 2: Convert to fraction form
    3,028.92/4,180.78 = 1,852.12/x
  3. Step 3: Cross multiply
    3,028.92x = 4,180.78 × 1,852.12
  4. Step 4: Simplify right side
    3,028.92x = 7,743,306.25
  5. Step 5: Solve for x
    x = 7,743,306.25/3,028.92
  6. Step 6: Final answer
    x = 2,556.46

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Half scale
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1.5x scale

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.