Finding the Fourth Proportional to 2,227.78, 3,341.22 and 766.99
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Solution
The fourth proportional to 2,227.78, 3,341.22 and 766.99 is: 1,150.33
Step by Step Solution
- Step 1: Write the proportion equation
2,227.78 : 3,341.22 = 766.99 : x - Step 2: Convert to fraction form
2,227.78/3,341.22 = 766.99/x - Step 3: Cross multiply
2,227.78x = 3,341.22 × 766.99 - Step 4: Simplify right side
2,227.78x = 2,562,682.33 - Step 5: Solve for x
x = 2,562,682.33/2,227.78 - Step 6: Final answer
x = 1,150.33
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1.5x scale
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.