Home / 2,131.26-3,194.73-898.98

Finding the Fourth Proportional to 2,131.26, 3,194.73 and 898.98

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Solution

The fourth proportional to 2,131.26, 3,194.73 and 898.98 is: 1,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.26 : 3,194.73 = 898.98 : x
  2. Step 2: Convert to fraction form
    2,131.26/3,194.73 = 898.98/x
  3. Step 3: Cross multiply
    2,131.26x = 3,194.73 × 898.98
  4. Step 4: Simplify right side
    2,131.26x = 2,871,998.38
  5. Step 5: Solve for x
    x = 2,871,998.38/2,131.26
  6. Step 6: Final answer
    x = 1,347.56

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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.