Finding the Fourth Proportional to 2,623.52, 3,935.88 and 869.08
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Solution
The fourth proportional to 2,623.52, 3,935.88 and 869.08 is: 1,303.82
Step by Step Solution
- Step 1: Write the proportion equation
2,623.52 : 3,935.88 = 869.08 : x - Step 2: Convert to fraction form
2,623.52/3,935.88 = 869.08/x - Step 3: Cross multiply
2,623.52x = 3,935.88 × 869.08 - Step 4: Simplify right side
2,623.52x = 3,420,594.59 - Step 5: Solve for x
x = 3,420,594.59/2,623.52 - Step 6: Final answer
x = 1,303.82
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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.