Finding the Fourth Proportional to 1,773.12, 2,658.72 and 618
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Solution
The fourth proportional to 1,773.12, 2,658.72 and 618 is: 926.67
Step by Step Solution
- Step 1: Write the proportion equation
1,773.12 : 2,658.72 = 618 : x - Step 2: Convert to fraction form
1,773.12/2,658.72 = 618/x - Step 3: Cross multiply
1,773.12x = 2,658.72 × 618 - Step 4: Simplify right side
1,773.12x = 1,643,088.96 - Step 5: Solve for x
x = 1,643,088.96/1,773.12 - Step 6: Final answer
x = 926.67
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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.