Finding the Fourth Proportional to 1,656, 2,483.70 and 615.84
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Solution
The fourth proportional to 1,656, 2,483.70 and 615.84 is: 923.65
Step by Step Solution
- Step 1: Write the proportion equation
1,656 : 2,483.70 = 615.84 : x - Step 2: Convert to fraction form
1,656/2,483.70 = 615.84/x - Step 3: Cross multiply
1,656x = 2,483.70 × 615.84 - Step 4: Simplify right side
1,656x = 1,529,561.81 - Step 5: Solve for x
x = 1,529,561.81/1,656 - Step 6: Final answer
x = 923.65
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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.