Home / 1,748.72-2,622.56-516.11

Finding the Fourth Proportional to 1,748.72, 2,622.56 and 516.11

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Solution

The fourth proportional to 1,748.72, 2,622.56 and 516.11 is: 774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.72 : 2,622.56 = 516.11 : x
  2. Step 2: Convert to fraction form
    1,748.72/2,622.56 = 516.11/x
  3. Step 3: Cross multiply
    1,748.72x = 2,622.56 × 516.11
  4. Step 4: Simplify right side
    1,748.72x = 1,353,517.62
  5. Step 5: Solve for x
    x = 1,353,517.62/1,748.72
  6. Step 6: Final answer
    x = 774.00

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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.