Finding the Fourth Proportional to 2,577.57, 3,866.37 and 846.21
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Solution
The fourth proportional to 2,577.57, 3,866.37 and 846.21 is: 1,269.32
Step by Step Solution
- Step 1: Write the proportion equation
2,577.57 : 3,866.37 = 846.21 : x - Step 2: Convert to fraction form
2,577.57/3,866.37 = 846.21/x - Step 3: Cross multiply
2,577.57x = 3,866.37 × 846.21 - Step 4: Simplify right side
2,577.57x = 3,271,760.96 - Step 5: Solve for x
x = 3,271,760.96/2,577.57 - Step 6: Final answer
x = 1,269.32
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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.