Home / 3,150.96-4,718.16-2,221.50

Finding the Fourth Proportional to 3,150.96, 4,718.16 and 2,221.50

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Solution

The fourth proportional to 3,150.96, 4,718.16 and 2,221.50 is: 3,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.96 : 4,718.16 = 2,221.50 : x
  2. Step 2: Convert to fraction form
    3,150.96/4,718.16 = 2,221.50/x
  3. Step 3: Cross multiply
    3,150.96x = 4,718.16 × 2,221.50
  4. Step 4: Simplify right side
    3,150.96x = 10,481,392.44
  5. Step 5: Solve for x
    x = 10,481,392.44/3,150.96
  6. Step 6: Final answer
    x = 3,326.41

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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.