Finding the Fourth Proportional to 2,388, 3,582 and 1,020
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Solution
The fourth proportional to 2,388, 3,582 and 1,020 is: 1,530
Step by Step Solution
- Step 1: Write the proportion equation
2,388 : 3,582 = 1,020 : x - Step 2: Convert to fraction form
2,388/3,582 = 1,020/x - Step 3: Cross multiply
2,388x = 3,582 × 1,020 - Step 4: Simplify right side
2,388x = 3,653,640 - Step 5: Solve for x
x = 3,653,640/2,388 - Step 6: Final answer
x = 1,530
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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.