Home / 1,984.31-2,732.80-1,941.27

Finding the Fourth Proportional to 1,984.31, 2,732.80 and 1,941.27

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Solution

The fourth proportional to 1,984.31, 2,732.80 and 1,941.27 is: 2,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.31 : 2,732.80 = 1,941.27 : x
  2. Step 2: Convert to fraction form
    1,984.31/2,732.80 = 1,941.27/x
  3. Step 3: Cross multiply
    1,984.31x = 2,732.80 × 1,941.27
  4. Step 4: Simplify right side
    1,984.31x = 5,305,079.29
  5. Step 5: Solve for x
    x = 5,305,079.29/1,984.31
  6. Step 6: Final answer
    x = 2,673.51

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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.