Home / 2,843.15-4,264.75-1,745.55

Finding the Fourth Proportional to 2,843.15, 4,264.75 and 1,745.55

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Solution

The fourth proportional to 2,843.15, 4,264.75 and 1,745.55 is: 2,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.15 : 4,264.75 = 1,745.55 : x
  2. Step 2: Convert to fraction form
    2,843.15/4,264.75 = 1,745.55/x
  3. Step 3: Cross multiply
    2,843.15x = 4,264.75 × 1,745.55
  4. Step 4: Simplify right side
    2,843.15x = 7,444,336.54
  5. Step 5: Solve for x
    x = 7,444,336.54/2,843.15
  6. Step 6: Final answer
    x = 2,618.34

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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.