Finding the Fourth Proportional to 1,866.62, 2,799.26 and 550
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Solution
The fourth proportional to 1,866.62, 2,799.26 and 550 is: 824.80
Step by Step Solution
- Step 1: Write the proportion equation
1,866.62 : 2,799.26 = 550 : x - Step 2: Convert to fraction form
1,866.62/2,799.26 = 550/x - Step 3: Cross multiply
1,866.62x = 2,799.26 × 550 - Step 4: Simplify right side
1,866.62x = 1,539,593.00 - Step 5: Solve for x
x = 1,539,593.00/1,866.62 - Step 6: Final answer
x = 824.80
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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.