Finding the Fourth Proportional to 3,555.30, 5,332.58 and 958.08
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Solution
The fourth proportional to 3,555.30, 5,332.58 and 958.08 is: 1,437.02
Step by Step Solution
- Step 1: Write the proportion equation
3,555.30 : 5,332.58 = 958.08 : x - Step 2: Convert to fraction form
3,555.30/5,332.58 = 958.08/x - Step 3: Cross multiply
3,555.30x = 5,332.58 × 958.08 - Step 4: Simplify right side
3,555.30x = 5,109,038.25 - Step 5: Solve for x
x = 5,109,038.25/3,555.30 - Step 6: Final answer
x = 1,437.02
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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.