Finding the Fourth Proportional to 2,539.44, 3,504 and 1,656.72
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Solution
The fourth proportional to 2,539.44, 3,504 and 1,656.72 is: 2,285.99
Step by Step Solution
- Step 1: Write the proportion equation
2,539.44 : 3,504 = 1,656.72 : x - Step 2: Convert to fraction form
2,539.44/3,504 = 1,656.72/x - Step 3: Cross multiply
2,539.44x = 3,504 × 1,656.72 - Step 4: Simplify right side
2,539.44x = 5,805,146.88 - Step 5: Solve for x
x = 5,805,146.88/2,539.44 - Step 6: Final answer
x = 2,285.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.