Finding the Fourth Proportional to 2,188.06, 3,282.05 and 628.07
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Solution
The fourth proportional to 2,188.06, 3,282.05 and 628.07 is: 942.09
Step by Step Solution
- Step 1: Write the proportion equation
2,188.06 : 3,282.05 = 628.07 : x - Step 2: Convert to fraction form
2,188.06/3,282.05 = 628.07/x - Step 3: Cross multiply
2,188.06x = 3,282.05 × 628.07 - Step 4: Simplify right side
2,188.06x = 2,061,349.90 - Step 5: Solve for x
x = 2,061,349.90/2,188.06 - Step 6: Final answer
x = 942.09
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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.