Finding the Fourth Proportional to 1,788.91, 2,683.04 and 490.07
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Solution
The fourth proportional to 1,788.91, 2,683.04 and 490.07 is: 735.02
Step by Step Solution
- Step 1: Write the proportion equation
1,788.91 : 2,683.04 = 490.07 : x - Step 2: Convert to fraction form
1,788.91/2,683.04 = 490.07/x - Step 3: Cross multiply
1,788.91x = 2,683.04 × 490.07 - Step 4: Simplify right side
1,788.91x = 1,314,874.96 - Step 5: Solve for x
x = 1,314,874.96/1,788.91 - Step 6: Final answer
x = 735.02
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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.