Finding the Fourth Proportional to 1,721.98, 2,583.51 and 568.54
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Solution
The fourth proportional to 1,721.98, 2,583.51 and 568.54 is: 852.99
Step by Step Solution
- Step 1: Write the proportion equation
1,721.98 : 2,583.51 = 568.54 : x - Step 2: Convert to fraction form
1,721.98/2,583.51 = 568.54/x - Step 3: Cross multiply
1,721.98x = 2,583.51 × 568.54 - Step 4: Simplify right side
1,721.98x = 1,468,828.78 - Step 5: Solve for x
x = 1,468,828.78/1,721.98 - Step 6: Final answer
x = 852.99
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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.