Finding the Fourth Proportional to 1,444.08, 2,166 and 713.36
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Solution
The fourth proportional to 1,444.08, 2,166 and 713.36 is: 1,069.98
Step by Step Solution
- Step 1: Write the proportion equation
1,444.08 : 2,166 = 713.36 : x - Step 2: Convert to fraction form
1,444.08/2,166 = 713.36/x - Step 3: Cross multiply
1,444.08x = 2,166 × 713.36 - Step 4: Simplify right side
1,444.08x = 1,545,137.76 - Step 5: Solve for x
x = 1,545,137.76/1,444.08 - Step 6: Final answer
x = 1,069.98
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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.