Finding the Fourth Proportional to 2,095.70, 3,143.33 and 556.70
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Solution
The fourth proportional to 2,095.70, 3,143.33 and 556.70 is: 834.99
Step by Step Solution
- Step 1: Write the proportion equation
2,095.70 : 3,143.33 = 556.70 : x - Step 2: Convert to fraction form
2,095.70/3,143.33 = 556.70/x - Step 3: Cross multiply
2,095.70x = 3,143.33 × 556.70 - Step 4: Simplify right side
2,095.70x = 1,749,889.03 - Step 5: Solve for x
x = 1,749,889.03/2,095.70 - Step 6: Final answer
x = 834.99
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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.