Home / 2,745.66-3,789.18-1,626.45

Finding the Fourth Proportional to 2,745.66, 3,789.18 and 1,626.45

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Solution

The fourth proportional to 2,745.66, 3,789.18 and 1,626.45 is: 2,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.66 : 3,789.18 = 1,626.45 : x
  2. Step 2: Convert to fraction form
    2,745.66/3,789.18 = 1,626.45/x
  3. Step 3: Cross multiply
    2,745.66x = 3,789.18 × 1,626.45
  4. Step 4: Simplify right side
    2,745.66x = 6,162,911.81
  5. Step 5: Solve for x
    x = 6,162,911.81/2,745.66
  6. Step 6: Final answer
    x = 2,244.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.