Finding the Fourth Proportional to 2,838.18, 4,257.27 and 890.53
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Solution
The fourth proportional to 2,838.18, 4,257.27 and 890.53 is: 1,335.80
Step by Step Solution
- Step 1: Write the proportion equation
2,838.18 : 4,257.27 = 890.53 : x - Step 2: Convert to fraction form
2,838.18/4,257.27 = 890.53/x - Step 3: Cross multiply
2,838.18x = 4,257.27 × 890.53 - Step 4: Simplify right side
2,838.18x = 3,791,226.65 - Step 5: Solve for x
x = 3,791,226.65/2,838.18 - Step 6: Final answer
x = 1,335.80
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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.