Finding the Fourth Proportional to 2,038.08, 3,057.12 and 1,012.08
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Solution
The fourth proportional to 2,038.08, 3,057.12 and 1,012.08 is: 1,518.12
Step by Step Solution
- Step 1: Write the proportion equation
2,038.08 : 3,057.12 = 1,012.08 : x - Step 2: Convert to fraction form
2,038.08/3,057.12 = 1,012.08/x - Step 3: Cross multiply
2,038.08x = 3,057.12 × 1,012.08 - Step 4: Simplify right side
2,038.08x = 3,094,050.01 - Step 5: Solve for x
x = 3,094,050.01/2,038.08 - Step 6: Final answer
x = 1,518.12
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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.