Home / 3,311.76-4,571.84-2,322.24

Finding the Fourth Proportional to 3,311.76, 4,571.84 and 2,322.24

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Solution

The fourth proportional to 3,311.76, 4,571.84 and 2,322.24 is: 3,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.76 : 4,571.84 = 2,322.24 : x
  2. Step 2: Convert to fraction form
    3,311.76/4,571.84 = 2,322.24/x
  3. Step 3: Cross multiply
    3,311.76x = 4,571.84 × 2,322.24
  4. Step 4: Simplify right side
    3,311.76x = 10,616,909.72
  5. Step 5: Solve for x
    x = 10,616,909.72/3,311.76
  6. Step 6: Final answer
    x = 3,205.82

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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.