Home / 1,984.33-2,975.89-1,371.97

Finding the Fourth Proportional to 1,984.33, 2,975.89 and 1,371.97

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Solution

The fourth proportional to 1,984.33, 2,975.89 and 1,371.97 is: 2,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.33 : 2,975.89 = 1,371.97 : x
  2. Step 2: Convert to fraction form
    1,984.33/2,975.89 = 1,371.97/x
  3. Step 3: Cross multiply
    1,984.33x = 2,975.89 × 1,371.97
  4. Step 4: Simplify right side
    1,984.33x = 4,082,831.80
  5. Step 5: Solve for x
    x = 4,082,831.80/1,984.33
  6. Step 6: Final answer
    x = 2,057.54

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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.