Finding the Fourth Proportional to 1,300.90, 1,951.35 and 937.99
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Solution
The fourth proportional to 1,300.90, 1,951.35 and 937.99 is: 1,406.99
Step by Step Solution
- Step 1: Write the proportion equation
1,300.90 : 1,951.35 = 937.99 : x - Step 2: Convert to fraction form
1,300.90/1,951.35 = 937.99/x - Step 3: Cross multiply
1,300.90x = 1,951.35 × 937.99 - Step 4: Simplify right side
1,300.90x = 1,830,346.79 - Step 5: Solve for x
x = 1,830,346.79/1,300.90 - Step 6: Final answer
x = 1,406.99
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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.