Finding the Fourth Proportional to 2,368, 3,266.76 and 1,622.80
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Solution
The fourth proportional to 2,368, 3,266.76 and 1,622.80 is: 2,238.72
Step by Step Solution
- Step 1: Write the proportion equation
2,368 : 3,266.76 = 1,622.80 : x - Step 2: Convert to fraction form
2,368/3,266.76 = 1,622.80/x - Step 3: Cross multiply
2,368x = 3,266.76 × 1,622.80 - Step 4: Simplify right side
2,368x = 5,301,298.13 - Step 5: Solve for x
x = 5,301,298.13/2,368 - Step 6: Final answer
x = 2,238.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.