Home / 1,826.73-2,739.29-1,279.17

Finding the Fourth Proportional to 1,826.73, 2,739.29 and 1,279.17

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Solution

The fourth proportional to 1,826.73, 2,739.29 and 1,279.17 is: 1,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.73 : 2,739.29 = 1,279.17 : x
  2. Step 2: Convert to fraction form
    1,826.73/2,739.29 = 1,279.17/x
  3. Step 3: Cross multiply
    1,826.73x = 2,739.29 × 1,279.17
  4. Step 4: Simplify right side
    1,826.73x = 3,504,011.19
  5. Step 5: Solve for x
    x = 3,504,011.19/1,826.73
  6. Step 6: Final answer
    x = 1,918.19

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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.