Home / 1,844.30-2,766.87-611.61

Finding the Fourth Proportional to 1,844.30, 2,766.87 and 611.61

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Solution

The fourth proportional to 1,844.30, 2,766.87 and 611.61 is: 917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.30 : 2,766.87 = 611.61 : x
  2. Step 2: Convert to fraction form
    1,844.30/2,766.87 = 611.61/x
  3. Step 3: Cross multiply
    1,844.30x = 2,766.87 × 611.61
  4. Step 4: Simplify right side
    1,844.30x = 1,692,245.36
  5. Step 5: Solve for x
    x = 1,692,245.36/1,844.30
  6. Step 6: Final answer
    x = 917.56

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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.