Finding the Fourth Proportional to 1,624.16, 2,436.21 and 650
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Solution
The fourth proportional to 1,624.16, 2,436.21 and 650 is: 974.99
Step by Step Solution
- Step 1: Write the proportion equation
1,624.16 : 2,436.21 = 650 : x - Step 2: Convert to fraction form
1,624.16/2,436.21 = 650/x - Step 3: Cross multiply
1,624.16x = 2,436.21 × 650 - Step 4: Simplify right side
1,624.16x = 1,583,534.06 - Step 5: Solve for x
x = 1,583,534.06/1,624.16 - Step 6: Final answer
x = 974.99
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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.