Home / 3,107.16-4,286.52-2,222.64

Finding the Fourth Proportional to 3,107.16, 4,286.52 and 2,222.64

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Solution

The fourth proportional to 3,107.16, 4,286.52 and 2,222.64 is: 3,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.16 : 4,286.52 = 2,222.64 : x
  2. Step 2: Convert to fraction form
    3,107.16/4,286.52 = 2,222.64/x
  3. Step 3: Cross multiply
    3,107.16x = 4,286.52 × 2,222.64
  4. Step 4: Simplify right side
    3,107.16x = 9,527,390.81
  5. Step 5: Solve for x
    x = 9,527,390.81/3,107.16
  6. Step 6: Final answer
    x = 3,066.27

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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.