Home / 2,334.81-3,222.04-1,286.88

Finding the Fourth Proportional to 2,334.81, 3,222.04 and 1,286.88

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Solution

The fourth proportional to 2,334.81, 3,222.04 and 1,286.88 is: 1,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.81 : 3,222.04 = 1,286.88 : x
  2. Step 2: Convert to fraction form
    2,334.81/3,222.04 = 1,286.88/x
  3. Step 3: Cross multiply
    2,334.81x = 3,222.04 × 1,286.88
  4. Step 4: Simplify right side
    2,334.81x = 4,146,378.84
  5. Step 5: Solve for x
    x = 4,146,378.84/2,334.81
  6. Step 6: Final answer
    x = 1,775.90

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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.