Finding the Fourth Proportional to 2,301.21, 3,451.82 and 842.00
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Solution
The fourth proportional to 2,301.21, 3,451.82 and 842.00 is: 1,262.99
Step by Step Solution
- Step 1: Write the proportion equation
2,301.21 : 3,451.82 = 842.00 : x - Step 2: Convert to fraction form
2,301.21/3,451.82 = 842.00/x - Step 3: Cross multiply
2,301.21x = 3,451.82 × 842.00 - Step 4: Simplify right side
2,301.21x = 2,906,410.97 - Step 5: Solve for x
x = 2,906,410.97/2,301.21 - Step 6: Final answer
x = 1,262.99
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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.