Home / 2,003.93-2,765.26-1,107.53

Finding the Fourth Proportional to 2,003.93, 2,765.26 and 1,107.53

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Solution

The fourth proportional to 2,003.93, 2,765.26 and 1,107.53 is: 1,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.93 : 2,765.26 = 1,107.53 : x
  2. Step 2: Convert to fraction form
    2,003.93/2,765.26 = 1,107.53/x
  3. Step 3: Cross multiply
    2,003.93x = 2,765.26 × 1,107.53
  4. Step 4: Simplify right side
    2,003.93x = 3,062,608.41
  5. Step 5: Solve for x
    x = 3,062,608.41/2,003.93
  6. Step 6: Final answer
    x = 1,528.30

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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.