Finding the Fourth Proportional to 1,171.84, 1,754.16 and 760.09
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Solution
The fourth proportional to 1,171.84, 1,754.16 and 760.09 is: 1,137.80
Step by Step Solution
- Step 1: Write the proportion equation
1,171.84 : 1,754.16 = 760.09 : x - Step 2: Convert to fraction form
1,171.84/1,754.16 = 760.09/x - Step 3: Cross multiply
1,171.84x = 1,754.16 × 760.09 - Step 4: Simplify right side
1,171.84x = 1,333,319.47 - Step 5: Solve for x
x = 1,333,319.47/1,171.84 - Step 6: Final answer
x = 1,137.80
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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.