Home / 2,028.01-3,042.93-1,249.20

Finding the Fourth Proportional to 2,028.01, 3,042.93 and 1,249.20

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Solution

The fourth proportional to 2,028.01, 3,042.93 and 1,249.20 is: 1,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.01 : 3,042.93 = 1,249.20 : x
  2. Step 2: Convert to fraction form
    2,028.01/3,042.93 = 1,249.20/x
  3. Step 3: Cross multiply
    2,028.01x = 3,042.93 × 1,249.20
  4. Step 4: Simplify right side
    2,028.01x = 3,801,228.16
  5. Step 5: Solve for x
    x = 3,801,228.16/2,028.01
  6. Step 6: Final answer
    x = 1,874.36

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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.