Finding the Fourth Proportional to 1,735.23, 2,601.48 and 639.00
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Solution
The fourth proportional to 1,735.23, 2,601.48 and 639.00 is: 957.99
Step by Step Solution
- Step 1: Write the proportion equation
1,735.23 : 2,601.48 = 639.00 : x - Step 2: Convert to fraction form
1,735.23/2,601.48 = 639.00/x - Step 3: Cross multiply
1,735.23x = 2,601.48 × 639.00 - Step 4: Simplify right side
1,735.23x = 1,662,329.52 - Step 5: Solve for x
x = 1,662,329.52/1,735.23 - Step 6: Final answer
x = 957.99
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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.