Home / 2,919.06-4,378.84-1,163.64

Finding the Fourth Proportional to 2,919.06, 4,378.84 and 1,163.64

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Solution

The fourth proportional to 2,919.06, 4,378.84 and 1,163.64 is: 1,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.06 : 4,378.84 = 1,163.64 : x
  2. Step 2: Convert to fraction form
    2,919.06/4,378.84 = 1,163.64/x
  3. Step 3: Cross multiply
    2,919.06x = 4,378.84 × 1,163.64
  4. Step 4: Simplify right side
    2,919.06x = 5,095,393.38
  5. Step 5: Solve for x
    x = 5,095,393.38/2,919.06
  6. Step 6: Final answer
    x = 1,745.56

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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.