Home / 3,527.40-5,286.46-1,968.14

Finding the Fourth Proportional to 3,527.40, 5,286.46 and 1,968.14

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Solution

The fourth proportional to 3,527.40, 5,286.46 and 1,968.14 is: 2,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.40 : 5,286.46 = 1,968.14 : x
  2. Step 2: Convert to fraction form
    3,527.40/5,286.46 = 1,968.14/x
  3. Step 3: Cross multiply
    3,527.40x = 5,286.46 × 1,968.14
  4. Step 4: Simplify right side
    3,527.40x = 10,404,475.25
  5. Step 5: Solve for x
    x = 10,404,475.25/3,527.40
  6. Step 6: Final answer
    x = 2,949.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.