Finding the Fourth Proportional to 2,995.58, 4,492.84 and 915.08
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Solution
The fourth proportional to 2,995.58, 4,492.84 and 915.08 is: 1,372.46
Step by Step Solution
- Step 1: Write the proportion equation
2,995.58 : 4,492.84 = 915.08 : x - Step 2: Convert to fraction form
2,995.58/4,492.84 = 915.08/x - Step 3: Cross multiply
2,995.58x = 4,492.84 × 915.08 - Step 4: Simplify right side
2,995.58x = 4,111,308.03 - Step 5: Solve for x
x = 4,111,308.03/2,995.58 - Step 6: Final answer
x = 1,372.46
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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.