Finding the Fourth Proportional to 2,829.23, 4,243.37 and 776.75
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Solution
The fourth proportional to 2,829.23, 4,243.37 and 776.75 is: 1,164.99
Step by Step Solution
- Step 1: Write the proportion equation
2,829.23 : 4,243.37 = 776.75 : x - Step 2: Convert to fraction form
2,829.23/4,243.37 = 776.75/x - Step 3: Cross multiply
2,829.23x = 4,243.37 × 776.75 - Step 4: Simplify right side
2,829.23x = 3,296,033.76 - Step 5: Solve for x
x = 3,296,033.76/2,829.23 - Step 6: Final answer
x = 1,164.99
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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.