Finding the Fourth Proportional to 2,176, 3,264.12 and 637.12
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Solution
The fourth proportional to 2,176, 3,264.12 and 637.12 is: 955.72
Step by Step Solution
- Step 1: Write the proportion equation
2,176 : 3,264.12 = 637.12 : x - Step 2: Convert to fraction form
2,176/3,264.12 = 637.12/x - Step 3: Cross multiply
2,176x = 3,264.12 × 637.12 - Step 4: Simplify right side
2,176x = 2,079,636.13 - Step 5: Solve for x
x = 2,079,636.13/2,176 - Step 6: Final answer
x = 955.72
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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.