Finding the Fourth Proportional to 2,590.35, 3,576 and 1,755.46
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Solution
The fourth proportional to 2,590.35, 3,576 and 1,755.46 is: 2,423.43
Step by Step Solution
- Step 1: Write the proportion equation
2,590.35 : 3,576 = 1,755.46 : x - Step 2: Convert to fraction form
2,590.35/3,576 = 1,755.46/x - Step 3: Cross multiply
2,590.35x = 3,576 × 1,755.46 - Step 4: Simplify right side
2,590.35x = 6,277,524.96 - Step 5: Solve for x
x = 6,277,524.96/2,590.35 - Step 6: Final answer
x = 2,423.43
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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.