Finding the Fourth Proportional to 2,625.06, 3,936.41 and 775.53
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Solution
The fourth proportional to 2,625.06, 3,936.41 and 775.53 is: 1,162.95
Step by Step Solution
- Step 1: Write the proportion equation
2,625.06 : 3,936.41 = 775.53 : x - Step 2: Convert to fraction form
2,625.06/3,936.41 = 775.53/x - Step 3: Cross multiply
2,625.06x = 3,936.41 × 775.53 - Step 4: Simplify right side
2,625.06x = 3,052,804.05 - Step 5: Solve for x
x = 3,052,804.05/2,625.06 - Step 6: Final answer
x = 1,162.95
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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.