Home / 1,832.61-2,748.69-516.46

Finding the Fourth Proportional to 1,832.61, 2,748.69 and 516.46

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Solution

The fourth proportional to 1,832.61, 2,748.69 and 516.46 is: 774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.61 : 2,748.69 = 516.46 : x
  2. Step 2: Convert to fraction form
    1,832.61/2,748.69 = 516.46/x
  3. Step 3: Cross multiply
    1,832.61x = 2,748.69 × 516.46
  4. Step 4: Simplify right side
    1,832.61x = 1,419,577.48
  5. Step 5: Solve for x
    x = 1,419,577.48/1,832.61
  6. Step 6: Final answer
    x = 774.62

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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.