Finding the Fourth Proportional to 4,051.05, 5,582.11 and 3,106.80
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Solution
The fourth proportional to 4,051.05, 5,582.11 and 3,106.80 is: 4,280.99
Step by Step Solution
- Step 1: Write the proportion equation
4,051.05 : 5,582.11 = 3,106.80 : x - Step 2: Convert to fraction form
4,051.05/5,582.11 = 3,106.80/x - Step 3: Cross multiply
4,051.05x = 5,582.11 × 3,106.80 - Step 4: Simplify right side
4,051.05x = 17,342,499.35 - Step 5: Solve for x
x = 17,342,499.35/4,051.05 - Step 6: Final answer
x = 4,280.99
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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.