Finding the Fourth Proportional to 1,874.84, 2,812.55 and 576
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Solution
The fourth proportional to 1,874.84, 2,812.55 and 576 is: 864.09
Step by Step Solution
- Step 1: Write the proportion equation
1,874.84 : 2,812.55 = 576 : x - Step 2: Convert to fraction form
1,874.84/2,812.55 = 576/x - Step 3: Cross multiply
1,874.84x = 2,812.55 × 576 - Step 4: Simplify right side
1,874.84x = 1,620,025.92 - Step 5: Solve for x
x = 1,620,025.92/1,874.84 - Step 6: Final answer
x = 864.09
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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.