Home / 2,334.85-3,222.07-1,286.89

Finding the Fourth Proportional to 2,334.85, 3,222.07 and 1,286.89

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Solution

The fourth proportional to 2,334.85, 3,222.07 and 1,286.89 is: 1,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.85 : 3,222.07 = 1,286.89 : x
  2. Step 2: Convert to fraction form
    2,334.85/3,222.07 = 1,286.89/x
  3. Step 3: Cross multiply
    2,334.85x = 3,222.07 × 1,286.89
  4. Step 4: Simplify right side
    2,334.85x = 4,146,443.23
  5. Step 5: Solve for x
    x = 4,146,443.23/2,334.85
  6. Step 6: Final answer
    x = 1,775.89

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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.