Finding the Fourth Proportional to 1,789.24, 2,684.76 and 635.08
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Solution
The fourth proportional to 1,789.24, 2,684.76 and 635.08 is: 952.94
Step by Step Solution
- Step 1: Write the proportion equation
1,789.24 : 2,684.76 = 635.08 : x - Step 2: Convert to fraction form
1,789.24/2,684.76 = 635.08/x - Step 3: Cross multiply
1,789.24x = 2,684.76 × 635.08 - Step 4: Simplify right side
1,789.24x = 1,705,037.38 - Step 5: Solve for x
x = 1,705,037.38/1,789.24 - Step 6: Final answer
x = 952.94
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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.