Home / 2,745.53-4,115.78-1,101.05

Finding the Fourth Proportional to 2,745.53, 4,115.78 and 1,101.05

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Solution

The fourth proportional to 2,745.53, 4,115.78 and 1,101.05 is: 1,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.53 : 4,115.78 = 1,101.05 : x
  2. Step 2: Convert to fraction form
    2,745.53/4,115.78 = 1,101.05/x
  3. Step 3: Cross multiply
    2,745.53x = 4,115.78 × 1,101.05
  4. Step 4: Simplify right side
    2,745.53x = 4,531,674.06
  5. Step 5: Solve for x
    x = 4,531,674.06/2,745.53
  6. Step 6: Final answer
    x = 1,650.56

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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.