Finding the Fourth Proportional to 1,340, 2,009.52 and 474.08
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Solution
The fourth proportional to 1,340, 2,009.52 and 474.08 is: 710.95
Step by Step Solution
- Step 1: Write the proportion equation
1,340 : 2,009.52 = 474.08 : x - Step 2: Convert to fraction form
1,340/2,009.52 = 474.08/x - Step 3: Cross multiply
1,340x = 2,009.52 × 474.08 - Step 4: Simplify right side
1,340x = 952,673.24 - Step 5: Solve for x
x = 952,673.24/1,340 - Step 6: Final answer
x = 710.95
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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.