Home / 2,864.21-3,956.46-2,242.62

Finding the Fourth Proportional to 2,864.21, 3,956.46 and 2,242.62

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Solution

The fourth proportional to 2,864.21, 3,956.46 and 2,242.62 is: 3,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.21 : 3,956.46 = 2,242.62 : x
  2. Step 2: Convert to fraction form
    2,864.21/3,956.46 = 2,242.62/x
  3. Step 3: Cross multiply
    2,864.21x = 3,956.46 × 2,242.62
  4. Step 4: Simplify right side
    2,864.21x = 8,872,836.33
  5. Step 5: Solve for x
    x = 8,872,836.33/2,864.21
  6. Step 6: Final answer
    x = 3,097.83

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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.