Home / 3,798.27-5,243.99-2,912.37

Finding the Fourth Proportional to 3,798.27, 5,243.99 and 2,912.37

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Solution

The fourth proportional to 3,798.27, 5,243.99 and 2,912.37 is: 4,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.27 : 5,243.99 = 2,912.37 : x
  2. Step 2: Convert to fraction form
    3,798.27/5,243.99 = 2,912.37/x
  3. Step 3: Cross multiply
    3,798.27x = 5,243.99 × 2,912.37
  4. Step 4: Simplify right side
    3,798.27x = 15,272,424.59
  5. Step 5: Solve for x
    x = 15,272,424.59/3,798.27
  6. Step 6: Final answer
    x = 4,020.89

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1.5x scale

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.