Finding the Fourth Proportional to 1,033.84, 1,556.32 and 928
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Solution
The fourth proportional to 1,033.84, 1,556.32 and 928 is: 1,396.99
Step by Step Solution
- Step 1: Write the proportion equation
1,033.84 : 1,556.32 = 928 : x - Step 2: Convert to fraction form
1,033.84/1,556.32 = 928/x - Step 3: Cross multiply
1,033.84x = 1,556.32 × 928 - Step 4: Simplify right side
1,033.84x = 1,444,264.96 - Step 5: Solve for x
x = 1,444,264.96/1,033.84 - Step 6: Final answer
x = 1,396.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.