Home / 1,749.31-2,623.67-516.43

Finding the Fourth Proportional to 1,749.31, 2,623.67 and 516.43

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Solution

The fourth proportional to 1,749.31, 2,623.67 and 516.43 is: 774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.31 : 2,623.67 = 516.43 : x
  2. Step 2: Convert to fraction form
    1,749.31/2,623.67 = 516.43/x
  3. Step 3: Cross multiply
    1,749.31x = 2,623.67 × 516.43
  4. Step 4: Simplify right side
    1,749.31x = 1,354,941.90
  5. Step 5: Solve for x
    x = 1,354,941.90/1,749.31
  6. Step 6: Final answer
    x = 774.56

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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.