Finding the Fourth Proportional to 2,210.78, 3,316.08 and 567.34
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Solution
The fourth proportional to 2,210.78, 3,316.08 and 567.34 is: 850.99
Step by Step Solution
- Step 1: Write the proportion equation
2,210.78 : 3,316.08 = 567.34 : x - Step 2: Convert to fraction form
2,210.78/3,316.08 = 567.34/x - Step 3: Cross multiply
2,210.78x = 3,316.08 × 567.34 - Step 4: Simplify right side
2,210.78x = 1,881,344.83 - Step 5: Solve for x
x = 1,881,344.83/2,210.78 - Step 6: Final answer
x = 850.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.