Finding the Fourth Proportional to 1,659.57, 2,489.42 and 564.05
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Solution
The fourth proportional to 1,659.57, 2,489.42 and 564.05 is: 846.09
Step by Step Solution
- Step 1: Write the proportion equation
1,659.57 : 2,489.42 = 564.05 : x - Step 2: Convert to fraction form
1,659.57/2,489.42 = 564.05/x - Step 3: Cross multiply
1,659.57x = 2,489.42 × 564.05 - Step 4: Simplify right side
1,659.57x = 1,404,146.31 - Step 5: Solve for x
x = 1,404,146.31/1,659.57 - Step 6: Final answer
x = 846.09
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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.