Finding the Fourth Proportional to 2,602.17, 3,903.84 and 870.75
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Solution
The fourth proportional to 2,602.17, 3,903.84 and 870.75 is: 1,306.32
Step by Step Solution
- Step 1: Write the proportion equation
2,602.17 : 3,903.84 = 870.75 : x - Step 2: Convert to fraction form
2,602.17/3,903.84 = 870.75/x - Step 3: Cross multiply
2,602.17x = 3,903.84 × 870.75 - Step 4: Simplify right side
2,602.17x = 3,399,268.68 - Step 5: Solve for x
x = 3,399,268.68/2,602.17 - Step 6: Final answer
x = 1,306.32
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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.