Finding the Fourth Proportional to 1,492.35, 2,238.49 and 626.05
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Solution
The fourth proportional to 1,492.35, 2,238.49 and 626.05 is: 939.06
Step by Step Solution
- Step 1: Write the proportion equation
1,492.35 : 2,238.49 = 626.05 : x - Step 2: Convert to fraction form
1,492.35/2,238.49 = 626.05/x - Step 3: Cross multiply
1,492.35x = 2,238.49 × 626.05 - Step 4: Simplify right side
1,492.35x = 1,401,406.66 - Step 5: Solve for x
x = 1,401,406.66/1,492.35 - Step 6: Final answer
x = 939.06
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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.