Finding the Fourth Proportional to 1,556.53, 2,334.03 and 972.31
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Solution
The fourth proportional to 1,556.53, 2,334.03 and 972.31 is: 1,457.99
Step by Step Solution
- Step 1: Write the proportion equation
1,556.53 : 2,334.03 = 972.31 : x - Step 2: Convert to fraction form
1,556.53/2,334.03 = 972.31/x - Step 3: Cross multiply
1,556.53x = 2,334.03 × 972.31 - Step 4: Simplify right side
1,556.53x = 2,269,400.71 - Step 5: Solve for x
x = 2,269,400.71/1,556.53 - Step 6: Final answer
x = 1,457.99
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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.