Finding the Fourth Proportional to 1,831.98, 2,748.42 and 533.46
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Solution
The fourth proportional to 1,831.98, 2,748.42 and 533.46 is: 800.32
Step by Step Solution
- Step 1: Write the proportion equation
1,831.98 : 2,748.42 = 533.46 : x - Step 2: Convert to fraction form
1,831.98/2,748.42 = 533.46/x - Step 3: Cross multiply
1,831.98x = 2,748.42 × 533.46 - Step 4: Simplify right side
1,831.98x = 1,466,172.13 - Step 5: Solve for x
x = 1,466,172.13/1,831.98 - Step 6: Final answer
x = 800.32
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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.