Home / 3,168.28-4,369.94-2,328.84

Finding the Fourth Proportional to 3,168.28, 4,369.94 and 2,328.84

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Solution

The fourth proportional to 3,168.28, 4,369.94 and 2,328.84 is: 3,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.28 : 4,369.94 = 2,328.84 : x
  2. Step 2: Convert to fraction form
    3,168.28/4,369.94 = 2,328.84/x
  3. Step 3: Cross multiply
    3,168.28x = 4,369.94 × 2,328.84
  4. Step 4: Simplify right side
    3,168.28x = 10,176,891.07
  5. Step 5: Solve for x
    x = 10,176,891.07/3,168.28
  6. Step 6: Final answer
    x = 3,212.12

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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.