Finding the Fourth Proportional to 2,182.53, 3,271.35 and 865.08
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Solution
The fourth proportional to 2,182.53, 3,271.35 and 865.08 is: 1,296.65
Step by Step Solution
- Step 1: Write the proportion equation
2,182.53 : 3,271.35 = 865.08 : x - Step 2: Convert to fraction form
2,182.53/3,271.35 = 865.08/x - Step 3: Cross multiply
2,182.53x = 3,271.35 × 865.08 - Step 4: Simplify right side
2,182.53x = 2,829,979.46 - Step 5: Solve for x
x = 2,829,979.46/2,182.53 - Step 6: Final answer
x = 1,296.65
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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.