Finding the Fourth Proportional to 2,023.10, 3,034.87 and 636.49
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Solution
The fourth proportional to 2,023.10, 3,034.87 and 636.49 is: 954.80
Step by Step Solution
- Step 1: Write the proportion equation
2,023.10 : 3,034.87 = 636.49 : x - Step 2: Convert to fraction form
2,023.10/3,034.87 = 636.49/x - Step 3: Cross multiply
2,023.10x = 3,034.87 × 636.49 - Step 4: Simplify right side
2,023.10x = 1,931,649.23 - Step 5: Solve for x
x = 1,931,649.23/2,023.10 - Step 6: Final answer
x = 954.80
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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.