Home / 2,531.70-3,789.45-2,450.70

Finding the Fourth Proportional to 2,531.70, 3,789.45 and 2,450.70

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Solution

The fourth proportional to 2,531.70, 3,789.45 and 2,450.70 is: 3,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.70 : 3,789.45 = 2,450.70 : x
  2. Step 2: Convert to fraction form
    2,531.70/3,789.45 = 2,450.70/x
  3. Step 3: Cross multiply
    2,531.70x = 3,789.45 × 2,450.70
  4. Step 4: Simplify right side
    2,531.70x = 9,286,805.12
  5. Step 5: Solve for x
    x = 9,286,805.12/2,531.70
  6. Step 6: Final answer
    x = 3,668.21

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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.