Finding the Fourth Proportional to 2,299.05, 3,449.52 and 1,325.97
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Solution
The fourth proportional to 2,299.05, 3,449.52 and 1,325.97 is: 1,989.50
Step by Step Solution
- Step 1: Write the proportion equation
2,299.05 : 3,449.52 = 1,325.97 : x - Step 2: Convert to fraction form
2,299.05/3,449.52 = 1,325.97/x - Step 3: Cross multiply
2,299.05x = 3,449.52 × 1,325.97 - Step 4: Simplify right side
2,299.05x = 4,573,960.03 - Step 5: Solve for x
x = 4,573,960.03/2,299.05 - Step 6: Final answer
x = 1,989.50
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1.5x scale
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.