Finding the Fourth Proportional to 2,383.36, 3,574.99 and 651.99
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Solution
The fourth proportional to 2,383.36, 3,574.99 and 651.99 is: 977.97
Step by Step Solution
- Step 1: Write the proportion equation
2,383.36 : 3,574.99 = 651.99 : x - Step 2: Convert to fraction form
2,383.36/3,574.99 = 651.99/x - Step 3: Cross multiply
2,383.36x = 3,574.99 × 651.99 - Step 4: Simplify right side
2,383.36x = 2,330,845.14 - Step 5: Solve for x
x = 2,330,845.14/2,383.36 - Step 6: Final answer
x = 977.97
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1.5x scale
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.