Home / 2,627.66-3,936.90-1,749.72

Finding the Fourth Proportional to 2,627.66, 3,936.90 and 1,749.72

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Solution

The fourth proportional to 2,627.66, 3,936.90 and 1,749.72 is: 2,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.66 : 3,936.90 = 1,749.72 : x
  2. Step 2: Convert to fraction form
    2,627.66/3,936.90 = 1,749.72/x
  3. Step 3: Cross multiply
    2,627.66x = 3,936.90 × 1,749.72
  4. Step 4: Simplify right side
    2,627.66x = 6,888,472.67
  5. Step 5: Solve for x
    x = 6,888,472.67/2,627.66
  6. Step 6: Final answer
    x = 2,621.52

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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.