Home / 2,193.96-3,291.70-1,371.26

Finding the Fourth Proportional to 2,193.96, 3,291.70 and 1,371.26

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Solution

The fourth proportional to 2,193.96, 3,291.70 and 1,371.26 is: 2,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.96 : 3,291.70 = 1,371.26 : x
  2. Step 2: Convert to fraction form
    2,193.96/3,291.70 = 1,371.26/x
  3. Step 3: Cross multiply
    2,193.96x = 3,291.70 × 1,371.26
  4. Step 4: Simplify right side
    2,193.96x = 4,513,776.54
  5. Step 5: Solve for x
    x = 4,513,776.54/2,193.96
  6. Step 6: Final answer
    x = 2,057.37

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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.