Finding the Fourth Proportional to 2,375.05, 3,277.56 and 1,327.09
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Solution
The fourth proportional to 2,375.05, 3,277.56 and 1,327.09 is: 1,831.38
Step by Step Solution
- Step 1: Write the proportion equation
2,375.05 : 3,277.56 = 1,327.09 : x - Step 2: Convert to fraction form
2,375.05/3,277.56 = 1,327.09/x - Step 3: Cross multiply
2,375.05x = 3,277.56 × 1,327.09 - Step 4: Simplify right side
2,375.05x = 4,349,617.10 - Step 5: Solve for x
x = 4,349,617.10/2,375.05 - Step 6: Final answer
x = 1,831.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.