Finding the Fourth Proportional to 2,303.09, 3,455.30 and 743.05
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Solution
The fourth proportional to 2,303.09, 3,455.30 and 743.05 is: 1,114.80
Step by Step Solution
- Step 1: Write the proportion equation
2,303.09 : 3,455.30 = 743.05 : x - Step 2: Convert to fraction form
2,303.09/3,455.30 = 743.05/x - Step 3: Cross multiply
2,303.09x = 3,455.30 × 743.05 - Step 4: Simplify right side
2,303.09x = 2,567,469.30 - Step 5: Solve for x
x = 2,567,469.30/2,303.09 - Step 6: Final answer
x = 1,114.80
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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.