Finding the Fourth Proportional to 2,231.13, 3,346.41 and 587.82
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Solution
The fourth proportional to 2,231.13, 3,346.41 and 587.82 is: 881.65
Step by Step Solution
- Step 1: Write the proportion equation
2,231.13 : 3,346.41 = 587.82 : x - Step 2: Convert to fraction form
2,231.13/3,346.41 = 587.82/x - Step 3: Cross multiply
2,231.13x = 3,346.41 × 587.82 - Step 4: Simplify right side
2,231.13x = 1,967,086.73 - Step 5: Solve for x
x = 1,967,086.73/2,231.13 - Step 6: Final answer
x = 881.65
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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.