Finding the Fourth Proportional to 2,618.99, 3,615.70 and 1,735.99
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Solution
The fourth proportional to 2,618.99, 3,615.70 and 1,735.99 is: 2,396.66
Step by Step Solution
- Step 1: Write the proportion equation
2,618.99 : 3,615.70 = 1,735.99 : x - Step 2: Convert to fraction form
2,618.99/3,615.70 = 1,735.99/x - Step 3: Cross multiply
2,618.99x = 3,615.70 × 1,735.99 - Step 4: Simplify right side
2,618.99x = 6,276,805.66 - Step 5: Solve for x
x = 6,276,805.66/2,618.99 - Step 6: Final answer
x = 2,396.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.