Home / 1,804.97-2,708.81-1,218.58

Finding the Fourth Proportional to 1,804.97, 2,708.81 and 1,218.58

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Solution

The fourth proportional to 1,804.97, 2,708.81 and 1,218.58 is: 1,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.97 : 2,708.81 = 1,218.58 : x
  2. Step 2: Convert to fraction form
    1,804.97/2,708.81 = 1,218.58/x
  3. Step 3: Cross multiply
    1,804.97x = 2,708.81 × 1,218.58
  4. Step 4: Simplify right side
    1,804.97x = 3,300,888.15
  5. Step 5: Solve for x
    x = 3,300,888.15/1,804.97
  6. Step 6: Final answer
    x = 1,828.78

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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.