Finding the Fourth Proportional to 1,347.98, 2,022 and 423.68
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Solution
The fourth proportional to 1,347.98, 2,022 and 423.68 is: 635.53
Step by Step Solution
- Step 1: Write the proportion equation
1,347.98 : 2,022 = 423.68 : x - Step 2: Convert to fraction form
1,347.98/2,022 = 423.68/x - Step 3: Cross multiply
1,347.98x = 2,022 × 423.68 - Step 4: Simplify right side
1,347.98x = 856,680.96 - Step 5: Solve for x
x = 856,680.96/1,347.98 - Step 6: Final answer
x = 635.53
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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.