Finding the Fourth Proportional to 2,239.42, 3,358.35 and 922.80
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Solution
The fourth proportional to 2,239.42, 3,358.35 and 922.80 is: 1,383.88
Step by Step Solution
- Step 1: Write the proportion equation
2,239.42 : 3,358.35 = 922.80 : x - Step 2: Convert to fraction form
2,239.42/3,358.35 = 922.80/x - Step 3: Cross multiply
2,239.42x = 3,358.35 × 922.80 - Step 4: Simplify right side
2,239.42x = 3,099,085.38 - Step 5: Solve for x
x = 3,099,085.38/2,239.42 - Step 6: Final answer
x = 1,383.88
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1.5x scale
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.