Finding the Fourth Proportional to 2,310, 3,187.82 and 1,262.09
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Solution
The fourth proportional to 2,310, 3,187.82 and 1,262.09 is: 1,741.69
Step by Step Solution
- Step 1: Write the proportion equation
2,310 : 3,187.82 = 1,262.09 : x - Step 2: Convert to fraction form
2,310/3,187.82 = 1,262.09/x - Step 3: Cross multiply
2,310x = 3,187.82 × 1,262.09 - Step 4: Simplify right side
2,310x = 4,023,302.96 - Step 5: Solve for x
x = 4,023,302.96/2,310 - Step 6: Final answer
x = 1,741.69
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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.