Finding the Fourth Proportional to 1,980.66, 2,970.97 and 594
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Solution
The fourth proportional to 1,980.66, 2,970.97 and 594 is: 890.99
Step by Step Solution
- Step 1: Write the proportion equation
1,980.66 : 2,970.97 = 594 : x - Step 2: Convert to fraction form
1,980.66/2,970.97 = 594/x - Step 3: Cross multiply
1,980.66x = 2,970.97 × 594 - Step 4: Simplify right side
1,980.66x = 1,764,756.18 - Step 5: Solve for x
x = 1,764,756.18/1,980.66 - Step 6: Final answer
x = 890.99
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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.