Home / 3,225.86-4,453.25-2,163.24

Finding the Fourth Proportional to 3,225.86, 4,453.25 and 2,163.24

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Solution

The fourth proportional to 3,225.86, 4,453.25 and 2,163.24 is: 2,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.86 : 4,453.25 = 2,163.24 : x
  2. Step 2: Convert to fraction form
    3,225.86/4,453.25 = 2,163.24/x
  3. Step 3: Cross multiply
    3,225.86x = 4,453.25 × 2,163.24
  4. Step 4: Simplify right side
    3,225.86x = 9,633,423.55
  5. Step 5: Solve for x
    x = 9,633,423.55/3,225.86
  6. Step 6: Final answer
    x = 2,986.31

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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.