Finding the Fourth Proportional to 2,610, 3,601.80 and 1,431.08
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Solution
The fourth proportional to 2,610, 3,601.80 and 1,431.08 is: 1,974.88
Step by Step Solution
- Step 1: Write the proportion equation
2,610 : 3,601.80 = 1,431.08 : x - Step 2: Convert to fraction form
2,610/3,601.80 = 1,431.08/x - Step 3: Cross multiply
2,610x = 3,601.80 × 1,431.08 - Step 4: Simplify right side
2,610x = 5,154,445.94 - Step 5: Solve for x
x = 5,154,445.94/2,610 - Step 6: Final answer
x = 1,974.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.