Finding the Fourth Proportional to 2,143.36, 3,214.68 and 604
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Solution
The fourth proportional to 2,143.36, 3,214.68 and 604 is: 905.90
Step by Step Solution
- Step 1: Write the proportion equation
2,143.36 : 3,214.68 = 604 : x - Step 2: Convert to fraction form
2,143.36/3,214.68 = 604/x - Step 3: Cross multiply
2,143.36x = 3,214.68 × 604 - Step 4: Simplify right side
2,143.36x = 1,941,666.72 - Step 5: Solve for x
x = 1,941,666.72/2,143.36 - Step 6: Final answer
x = 905.90
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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.