Finding the Fourth Proportional to 2,747.08, 3,790.94 and 1,505.08
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Solution
The fourth proportional to 2,747.08, 3,790.94 and 1,505.08 is: 2,076.99
Step by Step Solution
- Step 1: Write the proportion equation
2,747.08 : 3,790.94 = 1,505.08 : x - Step 2: Convert to fraction form
2,747.08/3,790.94 = 1,505.08/x - Step 3: Cross multiply
2,747.08x = 3,790.94 × 1,505.08 - Step 4: Simplify right side
2,747.08x = 5,705,667.98 - Step 5: Solve for x
x = 5,705,667.98/2,747.08 - Step 6: Final answer
x = 2,076.99
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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.