Finding the Fourth Proportional to 2,421.05, 3,632.04 and 960.21
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Solution
The fourth proportional to 2,421.05, 3,632.04 and 960.21 is: 1,440.50
Step by Step Solution
- Step 1: Write the proportion equation
2,421.05 : 3,632.04 = 960.21 : x - Step 2: Convert to fraction form
2,421.05/3,632.04 = 960.21/x - Step 3: Cross multiply
2,421.05x = 3,632.04 × 960.21 - Step 4: Simplify right side
2,421.05x = 3,487,521.13 - Step 5: Solve for x
x = 3,487,521.13/2,421.05 - Step 6: Final answer
x = 1,440.50
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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.