Finding the Fourth Proportional to 3,422.34, 5,124.74 and 2,730
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Solution
The fourth proportional to 3,422.34, 5,124.74 and 2,730 is: 4,088.00
Step by Step Solution
- Step 1: Write the proportion equation
3,422.34 : 5,124.74 = 2,730 : x - Step 2: Convert to fraction form
3,422.34/5,124.74 = 2,730/x - Step 3: Cross multiply
3,422.34x = 5,124.74 × 2,730 - Step 4: Simplify right side
3,422.34x = 13,990,540.20 - Step 5: Solve for x
x = 13,990,540.20/3,422.34 - Step 6: Final answer
x = 4,088.00
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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.