Finding the Fourth Proportional to 3,340.24, 5,010.66 and 875.05
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Solution
The fourth proportional to 3,340.24, 5,010.66 and 875.05 is: 1,312.65
Step by Step Solution
- Step 1: Write the proportion equation
3,340.24 : 5,010.66 = 875.05 : x - Step 2: Convert to fraction form
3,340.24/5,010.66 = 875.05/x - Step 3: Cross multiply
3,340.24x = 5,010.66 × 875.05 - Step 4: Simplify right side
3,340.24x = 4,384,578.03 - Step 5: Solve for x
x = 4,384,578.03/3,340.24 - Step 6: Final answer
x = 1,312.65
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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.