Home / 3,028.99-4,542.39-1,640.92

Finding the Fourth Proportional to 3,028.99, 4,542.39 and 1,640.92

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Solution

The fourth proportional to 3,028.99, 4,542.39 and 1,640.92 is: 2,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.99 : 4,542.39 = 1,640.92 : x
  2. Step 2: Convert to fraction form
    3,028.99/4,542.39 = 1,640.92/x
  3. Step 3: Cross multiply
    3,028.99x = 4,542.39 × 1,640.92
  4. Step 4: Simplify right side
    3,028.99x = 7,453,698.60
  5. Step 5: Solve for x
    x = 7,453,698.60/3,028.99
  6. Step 6: Final answer
    x = 2,460.79

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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.