Home / 3,286.14-4,527.16-2,289.61

Finding the Fourth Proportional to 3,286.14, 4,527.16 and 2,289.61

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Solution

The fourth proportional to 3,286.14, 4,527.16 and 2,289.61 is: 3,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.14 : 4,527.16 = 2,289.61 : x
  2. Step 2: Convert to fraction form
    3,286.14/4,527.16 = 2,289.61/x
  3. Step 3: Cross multiply
    3,286.14x = 4,527.16 × 2,289.61
  4. Step 4: Simplify right side
    3,286.14x = 10,365,430.81
  5. Step 5: Solve for x
    x = 10,365,430.81/3,286.14
  6. Step 6: Final answer
    x = 3,154.29

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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.