Finding the Fourth Proportional to 1,594.29, 2,391.30 and 554.03
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Solution
The fourth proportional to 1,594.29, 2,391.30 and 554.03 is: 830.99
Step by Step Solution
- Step 1: Write the proportion equation
1,594.29 : 2,391.30 = 554.03 : x - Step 2: Convert to fraction form
1,594.29/2,391.30 = 554.03/x - Step 3: Cross multiply
1,594.29x = 2,391.30 × 554.03 - Step 4: Simplify right side
1,594.29x = 1,324,839.98 - Step 5: Solve for x
x = 1,324,839.98/1,594.29 - Step 6: Final answer
x = 830.99
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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.