Finding the Fourth Proportional to 1,908.51, 2,862.82 and 609.98
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Solution
The fourth proportional to 1,908.51, 2,862.82 and 609.98 is: 914.99
Step by Step Solution
- Step 1: Write the proportion equation
1,908.51 : 2,862.82 = 609.98 : x - Step 2: Convert to fraction form
1,908.51/2,862.82 = 609.98/x - Step 3: Cross multiply
1,908.51x = 2,862.82 × 609.98 - Step 4: Simplify right side
1,908.51x = 1,746,262.94 - Step 5: Solve for x
x = 1,746,262.94/1,908.51 - Step 6: Final answer
x = 914.99
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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.