Finding the Fourth Proportional to 2,429.67, 3,645.08 and 786.09
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Solution
The fourth proportional to 2,429.67, 3,645.08 and 786.09 is: 1,179.32
Step by Step Solution
- Step 1: Write the proportion equation
2,429.67 : 3,645.08 = 786.09 : x - Step 2: Convert to fraction form
2,429.67/3,645.08 = 786.09/x - Step 3: Cross multiply
2,429.67x = 3,645.08 × 786.09 - Step 4: Simplify right side
2,429.67x = 2,865,360.94 - Step 5: Solve for x
x = 2,865,360.94/2,429.67 - Step 6: Final answer
x = 1,179.32
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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.