Finding the Fourth Proportional to 1,844.63, 2,766.37 and 611.81
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Solution
The fourth proportional to 1,844.63, 2,766.37 and 611.81 is: 917.52
Step by Step Solution
- Step 1: Write the proportion equation
1,844.63 : 2,766.37 = 611.81 : x - Step 2: Convert to fraction form
1,844.63/2,766.37 = 611.81/x - Step 3: Cross multiply
1,844.63x = 2,766.37 × 611.81 - Step 4: Simplify right side
1,844.63x = 1,692,492.83 - Step 5: Solve for x
x = 1,692,492.83/1,844.63 - Step 6: Final answer
x = 917.52
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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.