Home / 1,918.14-2,879.67-1,304.58

Finding the Fourth Proportional to 1,918.14, 2,879.67 and 1,304.58

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Solution

The fourth proportional to 1,918.14, 2,879.67 and 1,304.58 is: 1,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.14 : 2,879.67 = 1,304.58 : x
  2. Step 2: Convert to fraction form
    1,918.14/2,879.67 = 1,304.58/x
  3. Step 3: Cross multiply
    1,918.14x = 2,879.67 × 1,304.58
  4. Step 4: Simplify right side
    1,918.14x = 3,756,759.89
  5. Step 5: Solve for x
    x = 3,756,759.89/1,918.14
  6. Step 6: Final answer
    x = 1,958.54

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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.