Finding the Fourth Proportional to 2,107.36, 3,160.68 and 568
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Solution
The fourth proportional to 2,107.36, 3,160.68 and 568 is: 851.90
Step by Step Solution
- Step 1: Write the proportion equation
2,107.36 : 3,160.68 = 568 : x - Step 2: Convert to fraction form
2,107.36/3,160.68 = 568/x - Step 3: Cross multiply
2,107.36x = 3,160.68 × 568 - Step 4: Simplify right side
2,107.36x = 1,795,266.24 - Step 5: Solve for x
x = 1,795,266.24/2,107.36 - Step 6: Final answer
x = 851.90
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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.