Finding the Fourth Proportional to 1,692.24, 2,335.41 and 994.02
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Solution
The fourth proportional to 1,692.24, 2,335.41 and 994.02 is: 1,371.82
Step by Step Solution
- Step 1: Write the proportion equation
1,692.24 : 2,335.41 = 994.02 : x - Step 2: Convert to fraction form
1,692.24/2,335.41 = 994.02/x - Step 3: Cross multiply
1,692.24x = 2,335.41 × 994.02 - Step 4: Simplify right side
1,692.24x = 2,321,444.25 - Step 5: Solve for x
x = 2,321,444.25/1,692.24 - Step 6: Final answer
x = 1,371.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.