Finding the Fourth Proportional to 1,829.99, 2,744.99 and 905.99
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Solution
The fourth proportional to 1,829.99, 2,744.99 and 905.99 is: 1,358.98
Step by Step Solution
- Step 1: Write the proportion equation
1,829.99 : 2,744.99 = 905.99 : x - Step 2: Convert to fraction form
1,829.99/2,744.99 = 905.99/x - Step 3: Cross multiply
1,829.99x = 2,744.99 × 905.99 - Step 4: Simplify right side
1,829.99x = 2,486,915.24 - Step 5: Solve for x
x = 2,486,915.24/1,829.99 - Step 6: Final answer
x = 1,358.98
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Similar ratio
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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.