Finding the Fourth Proportional to 1,900.30, 2,850.15 and 602.08
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Solution
The fourth proportional to 1,900.30, 2,850.15 and 602.08 is: 903.02
Step by Step Solution
- Step 1: Write the proportion equation
1,900.30 : 2,850.15 = 602.08 : x - Step 2: Convert to fraction form
1,900.30/2,850.15 = 602.08/x - Step 3: Cross multiply
1,900.30x = 2,850.15 × 602.08 - Step 4: Simplify right side
1,900.30x = 1,716,018.31 - Step 5: Solve for x
x = 1,716,018.31/1,900.30 - Step 6: Final answer
x = 903.02
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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.