Finding the Fourth Proportional to 1,888.92, 2,832.68 and 656
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Solution
The fourth proportional to 1,888.92, 2,832.68 and 656 is: 983.76
Step by Step Solution
- Step 1: Write the proportion equation
1,888.92 : 2,832.68 = 656 : x - Step 2: Convert to fraction form
1,888.92/2,832.68 = 656/x - Step 3: Cross multiply
1,888.92x = 2,832.68 × 656 - Step 4: Simplify right side
1,888.92x = 1,858,238.08 - Step 5: Solve for x
x = 1,858,238.08/1,888.92 - Step 6: Final answer
x = 983.76
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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.