Finding the Fourth Proportional to 2,116, 3,173.92 and 555.99
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Solution
The fourth proportional to 2,116, 3,173.92 and 555.99 is: 833.96
Step by Step Solution
- Step 1: Write the proportion equation
2,116 : 3,173.92 = 555.99 : x - Step 2: Convert to fraction form
2,116/3,173.92 = 555.99/x - Step 3: Cross multiply
2,116x = 3,173.92 × 555.99 - Step 4: Simplify right side
2,116x = 1,764,667.78 - Step 5: Solve for x
x = 1,764,667.78/2,116 - Step 6: Final answer
x = 833.96
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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.