Finding the Fourth Proportional to 2,288.05, 3,432.04 and 728.06
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Solution
The fourth proportional to 2,288.05, 3,432.04 and 728.06 is: 1,092.07
Step by Step Solution
- Step 1: Write the proportion equation
2,288.05 : 3,432.04 = 728.06 : x - Step 2: Convert to fraction form
2,288.05/3,432.04 = 728.06/x - Step 3: Cross multiply
2,288.05x = 3,432.04 × 728.06 - Step 4: Simplify right side
2,288.05x = 2,498,712.06 - Step 5: Solve for x
x = 2,498,712.06/2,288.05 - Step 6: Final answer
x = 1,092.07
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1.5x scale
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.