Finding the Fourth Proportional to 1,597.74, 2,395.56 and 622.68
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Solution
The fourth proportional to 1,597.74, 2,395.56 and 622.68 is: 933.61
Step by Step Solution
- Step 1: Write the proportion equation
1,597.74 : 2,395.56 = 622.68 : x - Step 2: Convert to fraction form
1,597.74/2,395.56 = 622.68/x - Step 3: Cross multiply
1,597.74x = 2,395.56 × 622.68 - Step 4: Simplify right side
1,597.74x = 1,491,667.30 - Step 5: Solve for x
x = 1,491,667.30/1,597.74 - Step 6: Final answer
x = 933.61
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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.