Finding the Fourth Proportional to 3,068.29, 4,602.21 and 876.70
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Solution
The fourth proportional to 3,068.29, 4,602.21 and 876.70 is: 1,314.99
Step by Step Solution
- Step 1: Write the proportion equation
3,068.29 : 4,602.21 = 876.70 : x - Step 2: Convert to fraction form
3,068.29/4,602.21 = 876.70/x - Step 3: Cross multiply
3,068.29x = 4,602.21 × 876.70 - Step 4: Simplify right side
3,068.29x = 4,034,757.51 - Step 5: Solve for x
x = 4,034,757.51/3,068.29 - Step 6: Final answer
x = 1,314.99
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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.