Finding the Fourth Proportional to 1,353.25, 2,028.42 and 573.07
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Solution
The fourth proportional to 1,353.25, 2,028.42 and 573.07 is: 858.99
Step by Step Solution
- Step 1: Write the proportion equation
1,353.25 : 2,028.42 = 573.07 : x - Step 2: Convert to fraction form
1,353.25/2,028.42 = 573.07/x - Step 3: Cross multiply
1,353.25x = 2,028.42 × 573.07 - Step 4: Simplify right side
1,353.25x = 1,162,426.65 - Step 5: Solve for x
x = 1,162,426.65/1,353.25 - Step 6: Final answer
x = 858.99
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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.