Finding the Fourth Proportional to 1,598, 2,395.64 and 624.79
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Solution
The fourth proportional to 1,598, 2,395.64 and 624.79 is: 936.65
Step by Step Solution
- Step 1: Write the proportion equation
1,598 : 2,395.64 = 624.79 : x - Step 2: Convert to fraction form
1,598/2,395.64 = 624.79/x - Step 3: Cross multiply
1,598x = 2,395.64 × 624.79 - Step 4: Simplify right side
1,598x = 1,496,771.92 - Step 5: Solve for x
x = 1,496,771.92/1,598 - Step 6: Final answer
x = 936.65
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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.