Home / 1,942.97-2,681.10-1,092.06

Finding the Fourth Proportional to 1,942.97, 2,681.10 and 1,092.06

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Solution

The fourth proportional to 1,942.97, 2,681.10 and 1,092.06 is: 1,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.97 : 2,681.10 = 1,092.06 : x
  2. Step 2: Convert to fraction form
    1,942.97/2,681.10 = 1,092.06/x
  3. Step 3: Cross multiply
    1,942.97x = 2,681.10 × 1,092.06
  4. Step 4: Simplify right side
    1,942.97x = 2,927,922.07
  5. Step 5: Solve for x
    x = 2,927,922.07/1,942.97
  6. Step 6: Final answer
    x = 1,506.94

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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.