Finding the Fourth Proportional to 2,030.51, 3,045.78 and 731.99
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Solution
The fourth proportional to 2,030.51, 3,045.78 and 731.99 is: 1,097.99
Step by Step Solution
- Step 1: Write the proportion equation
2,030.51 : 3,045.78 = 731.99 : x - Step 2: Convert to fraction form
2,030.51/3,045.78 = 731.99/x - Step 3: Cross multiply
2,030.51x = 3,045.78 × 731.99 - Step 4: Simplify right side
2,030.51x = 2,229,480.50 - Step 5: Solve for x
x = 2,229,480.50/2,030.51 - Step 6: Final answer
x = 1,097.99
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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.