Home / 3,028.09-4,542.83-1,272.10

Finding the Fourth Proportional to 3,028.09, 4,542.83 and 1,272.10

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Solution

The fourth proportional to 3,028.09, 4,542.83 and 1,272.10 is: 1,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.09 : 4,542.83 = 1,272.10 : x
  2. Step 2: Convert to fraction form
    3,028.09/4,542.83 = 1,272.10/x
  3. Step 3: Cross multiply
    3,028.09x = 4,542.83 × 1,272.10
  4. Step 4: Simplify right side
    3,028.09x = 5,778,934.04
  5. Step 5: Solve for x
    x = 5,778,934.04/3,028.09
  6. Step 6: Final answer
    x = 1,908.44

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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.