Finding the Fourth Proportional to 2,713.08, 4,070 and 864
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Solution
The fourth proportional to 2,713.08, 4,070 and 864 is: 1,296.12
Step by Step Solution
- Step 1: Write the proportion equation
2,713.08 : 4,070 = 864 : x - Step 2: Convert to fraction form
2,713.08/4,070 = 864/x - Step 3: Cross multiply
2,713.08x = 4,070 × 864 - Step 4: Simplify right side
2,713.08x = 3,516,480 - Step 5: Solve for x
x = 3,516,480/2,713.08 - Step 6: Final answer
x = 1,296.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.