Finding the Fourth Proportional to 2,625.24, 3,937.86 and 893.87
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Solution
The fourth proportional to 2,625.24, 3,937.86 and 893.87 is: 1,340.80
Step by Step Solution
- Step 1: Write the proportion equation
2,625.24 : 3,937.86 = 893.87 : x - Step 2: Convert to fraction form
2,625.24/3,937.86 = 893.87/x - Step 3: Cross multiply
2,625.24x = 3,937.86 × 893.87 - Step 4: Simplify right side
2,625.24x = 3,519,915.23 - Step 5: Solve for x
x = 3,519,915.23/2,625.24 - Step 6: Final answer
x = 1,340.80
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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.