Home / 1,922.97-2,653.65-1,083.66

Finding the Fourth Proportional to 1,922.97, 2,653.65 and 1,083.66

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Solution

The fourth proportional to 1,922.97, 2,653.65 and 1,083.66 is: 1,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.97 : 2,653.65 = 1,083.66 : x
  2. Step 2: Convert to fraction form
    1,922.97/2,653.65 = 1,083.66/x
  3. Step 3: Cross multiply
    1,922.97x = 2,653.65 × 1,083.66
  4. Step 4: Simplify right side
    1,922.97x = 2,875,654.36
  5. Step 5: Solve for x
    x = 2,875,654.36/1,922.97
  6. Step 6: Final answer
    x = 1,495.42

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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.