Finding the Fourth Proportional to 1,091.10, 1,634.76 and 652.08
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Solution
The fourth proportional to 1,091.10, 1,634.76 and 652.08 is: 976.99
Step by Step Solution
- Step 1: Write the proportion equation
1,091.10 : 1,634.76 = 652.08 : x - Step 2: Convert to fraction form
1,091.10/1,634.76 = 652.08/x - Step 3: Cross multiply
1,091.10x = 1,634.76 × 652.08 - Step 4: Simplify right side
1,091.10x = 1,065,994.30 - Step 5: Solve for x
x = 1,065,994.30/1,091.10 - Step 6: Final answer
x = 976.99
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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.