Finding the Fourth Proportional to 2,012.87, 3,019.41 and 551.99
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Solution
The fourth proportional to 2,012.87, 3,019.41 and 551.99 is: 828.01
Step by Step Solution
- Step 1: Write the proportion equation
2,012.87 : 3,019.41 = 551.99 : x - Step 2: Convert to fraction form
2,012.87/3,019.41 = 551.99/x - Step 3: Cross multiply
2,012.87x = 3,019.41 × 551.99 - Step 4: Simplify right side
2,012.87x = 1,666,669.03 - Step 5: Solve for x
x = 1,666,669.03/2,012.87 - Step 6: Final answer
x = 828.01
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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.