Finding the Fourth Proportional to 2,810, 4,214.98 and 730
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Solution
The fourth proportional to 2,810, 4,214.98 and 730 is: 1,094.99
Step by Step Solution
- Step 1: Write the proportion equation
2,810 : 4,214.98 = 730 : x - Step 2: Convert to fraction form
2,810/4,214.98 = 730/x - Step 3: Cross multiply
2,810x = 4,214.98 × 730 - Step 4: Simplify right side
2,810x = 3,076,935.40 - Step 5: Solve for x
x = 3,076,935.40/2,810 - Step 6: Final answer
x = 1,094.99
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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.