Finding the Fourth Proportional to 1,708.30, 2,357.48 and 999.98
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Solution
The fourth proportional to 1,708.30, 2,357.48 and 999.98 is: 1,379.99
Step by Step Solution
- Step 1: Write the proportion equation
1,708.30 : 2,357.48 = 999.98 : x - Step 2: Convert to fraction form
1,708.30/2,357.48 = 999.98/x - Step 3: Cross multiply
1,708.30x = 2,357.48 × 999.98 - Step 4: Simplify right side
1,708.30x = 2,357,432.85 - Step 5: Solve for x
x = 2,357,432.85/1,708.30 - Step 6: Final answer
x = 1,379.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.