Home / 1,749.23-2,620.43-926.37

Finding the Fourth Proportional to 1,749.23, 2,620.43 and 926.37

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Solution

The fourth proportional to 1,749.23, 2,620.43 and 926.37 is: 1,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.23 : 2,620.43 = 926.37 : x
  2. Step 2: Convert to fraction form
    1,749.23/2,620.43 = 926.37/x
  3. Step 3: Cross multiply
    1,749.23x = 2,620.43 × 926.37
  4. Step 4: Simplify right side
    1,749.23x = 2,427,487.74
  5. Step 5: Solve for x
    x = 2,427,487.74/1,749.23
  6. Step 6: Final answer
    x = 1,387.75

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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.