Home / 2,018.97-2,784.44-1,310.11

Finding the Fourth Proportional to 2,018.97, 2,784.44 and 1,310.11

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Solution

The fourth proportional to 2,018.97, 2,784.44 and 1,310.11 is: 1,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.97 : 2,784.44 = 1,310.11 : x
  2. Step 2: Convert to fraction form
    2,018.97/2,784.44 = 1,310.11/x
  3. Step 3: Cross multiply
    2,018.97x = 2,784.44 × 1,310.11
  4. Step 4: Simplify right side
    2,018.97x = 3,647,924.53
  5. Step 5: Solve for x
    x = 3,647,924.53/2,018.97
  6. Step 6: Final answer
    x = 1,806.83

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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.