Home / 3,559.32-4,912.74-2,163.24

Finding the Fourth Proportional to 3,559.32, 4,912.74 and 2,163.24

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Solution

The fourth proportional to 3,559.32, 4,912.74 and 2,163.24 is: 2,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.32 : 4,912.74 = 2,163.24 : x
  2. Step 2: Convert to fraction form
    3,559.32/4,912.74 = 2,163.24/x
  3. Step 3: Cross multiply
    3,559.32x = 4,912.74 × 2,163.24
  4. Step 4: Simplify right side
    3,559.32x = 10,627,435.68
  5. Step 5: Solve for x
    x = 10,627,435.68/3,559.32
  6. Step 6: Final answer
    x = 2,985.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.