Home / 1,403.26-2,091.23-1,361.04

Finding the Fourth Proportional to 1,403.26, 2,091.23 and 1,361.04

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Solution

The fourth proportional to 1,403.26, 2,091.23 and 1,361.04 is: 2,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.26 : 2,091.23 = 1,361.04 : x
  2. Step 2: Convert to fraction form
    1,403.26/2,091.23 = 1,361.04/x
  3. Step 3: Cross multiply
    1,403.26x = 2,091.23 × 1,361.04
  4. Step 4: Simplify right side
    1,403.26x = 2,846,247.68
  5. Step 5: Solve for x
    x = 2,846,247.68/1,403.26
  6. Step 6: Final answer
    x = 2,028.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.