Finding the Fourth Proportional to 3,207.41, 4,425.95 and 1,790.99
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Solution
The fourth proportional to 3,207.41, 4,425.95 and 1,790.99 is: 2,471.41
Step by Step Solution
- Step 1: Write the proportion equation
3,207.41 : 4,425.95 = 1,790.99 : x - Step 2: Convert to fraction form
3,207.41/4,425.95 = 1,790.99/x - Step 3: Cross multiply
3,207.41x = 4,425.95 × 1,790.99 - Step 4: Simplify right side
3,207.41x = 7,926,823.24 - Step 5: Solve for x
x = 7,926,823.24/3,207.41 - Step 6: Final answer
x = 2,471.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.