Home / 3,212.94-4,433.88-1,796.72

Finding the Fourth Proportional to 3,212.94, 4,433.88 and 1,796.72

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Solution

The fourth proportional to 3,212.94, 4,433.88 and 1,796.72 is: 2,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.94 : 4,433.88 = 1,796.72 : x
  2. Step 2: Convert to fraction form
    3,212.94/4,433.88 = 1,796.72/x
  3. Step 3: Cross multiply
    3,212.94x = 4,433.88 × 1,796.72
  4. Step 4: Simplify right side
    3,212.94x = 7,966,440.87
  5. Step 5: Solve for x
    x = 7,966,440.87/3,212.94
  6. Step 6: Final answer
    x = 2,479.49

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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.