Home / 2,018.61-3,028.19-1,982.43

Finding the Fourth Proportional to 2,018.61, 3,028.19 and 1,982.43

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Solution

The fourth proportional to 2,018.61, 3,028.19 and 1,982.43 is: 2,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.61 : 3,028.19 = 1,982.43 : x
  2. Step 2: Convert to fraction form
    2,018.61/3,028.19 = 1,982.43/x
  3. Step 3: Cross multiply
    2,018.61x = 3,028.19 × 1,982.43
  4. Step 4: Simplify right side
    2,018.61x = 6,003,164.79
  5. Step 5: Solve for x
    x = 6,003,164.79/2,018.61
  6. Step 6: Final answer
    x = 2,973.91

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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.