Finding the Fourth Proportional to 2,075.14, 3,112.06 and 613.93
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Solution
The fourth proportional to 2,075.14, 3,112.06 and 613.93 is: 920.70
Step by Step Solution
- Step 1: Write the proportion equation
2,075.14 : 3,112.06 = 613.93 : x - Step 2: Convert to fraction form
2,075.14/3,112.06 = 613.93/x - Step 3: Cross multiply
2,075.14x = 3,112.06 × 613.93 - Step 4: Simplify right side
2,075.14x = 1,910,587.00 - Step 5: Solve for x
x = 1,910,587.00/2,075.14 - Step 6: Final answer
x = 920.70
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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.