Home / 3,480.60-5,216.82-1,745.64

Finding the Fourth Proportional to 3,480.60, 5,216.82 and 1,745.64

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Solution

The fourth proportional to 3,480.60, 5,216.82 and 1,745.64 is: 2,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.60 : 5,216.82 = 1,745.64 : x
  2. Step 2: Convert to fraction form
    3,480.60/5,216.82 = 1,745.64/x
  3. Step 3: Cross multiply
    3,480.60x = 5,216.82 × 1,745.64
  4. Step 4: Simplify right side
    3,480.60x = 9,106,689.66
  5. Step 5: Solve for x
    x = 9,106,689.66/3,480.60
  6. Step 6: Final answer
    x = 2,616.41

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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.