Finding the Fourth Proportional to 2,166.87, 3,249.71 and 606.77
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Solution
The fourth proportional to 2,166.87, 3,249.71 and 606.77 is: 909.99
Step by Step Solution
- Step 1: Write the proportion equation
2,166.87 : 3,249.71 = 606.77 : x - Step 2: Convert to fraction form
2,166.87/3,249.71 = 606.77/x - Step 3: Cross multiply
2,166.87x = 3,249.71 × 606.77 - Step 4: Simplify right side
2,166.87x = 1,971,833.90 - Step 5: Solve for x
x = 1,971,833.90/2,166.87 - Step 6: Final answer
x = 909.99
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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.