Home / 4,287.43-6,431.33-2,098

Finding the Fourth Proportional to 4,287.43, 6,431.33 and 2,098

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Solution

The fourth proportional to 4,287.43, 6,431.33 and 2,098 is: 3,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.43 : 6,431.33 = 2,098 : x
  2. Step 2: Convert to fraction form
    4,287.43/6,431.33 = 2,098/x
  3. Step 3: Cross multiply
    4,287.43x = 6,431.33 × 2,098
  4. Step 4: Simplify right side
    4,287.43x = 13,492,930.34
  5. Step 5: Solve for x
    x = 13,492,930.34/4,287.43
  6. Step 6: Final answer
    x = 3,147.09

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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.