Finding the Fourth Proportional to 2,281.23, 3,421.35 and 894.12
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Solution
The fourth proportional to 2,281.23, 3,421.35 and 894.12 is: 1,340.99
Step by Step Solution
- Step 1: Write the proportion equation
2,281.23 : 3,421.35 = 894.12 : x - Step 2: Convert to fraction form
2,281.23/3,421.35 = 894.12/x - Step 3: Cross multiply
2,281.23x = 3,421.35 × 894.12 - Step 4: Simplify right side
2,281.23x = 3,059,097.46 - Step 5: Solve for x
x = 3,059,097.46/2,281.23 - Step 6: Final answer
x = 1,340.99
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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.