Home / 2,745.54-4,119.66-1,103.22

Finding the Fourth Proportional to 2,745.54, 4,119.66 and 1,103.22

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Solution

The fourth proportional to 2,745.54, 4,119.66 and 1,103.22 is: 1,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.54 : 4,119.66 = 1,103.22 : x
  2. Step 2: Convert to fraction form
    2,745.54/4,119.66 = 1,103.22/x
  3. Step 3: Cross multiply
    2,745.54x = 4,119.66 × 1,103.22
  4. Step 4: Simplify right side
    2,745.54x = 4,544,891.31
  5. Step 5: Solve for x
    x = 4,544,891.31/2,745.54
  6. Step 6: Final answer
    x = 1,655.37

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1.5x scale

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.