Finding the Fourth Proportional to 1,778, 2,667 and 562
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Solution
The fourth proportional to 1,778, 2,667 and 562 is: 843
Step by Step Solution
- Step 1: Write the proportion equation
1,778 : 2,667 = 562 : x - Step 2: Convert to fraction form
1,778/2,667 = 562/x - Step 3: Cross multiply
1,778x = 2,667 × 562 - Step 4: Simplify right side
1,778x = 1,498,854 - Step 5: Solve for x
x = 1,498,854/1,778 - Step 6: Final answer
x = 843
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.