Home / 2,768.37-3,818.40-1,648.44

Finding the Fourth Proportional to 2,768.37, 3,818.40 and 1,648.44

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Solution

The fourth proportional to 2,768.37, 3,818.40 and 1,648.44 is: 2,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.37 : 3,818.40 = 1,648.44 : x
  2. Step 2: Convert to fraction form
    2,768.37/3,818.40 = 1,648.44/x
  3. Step 3: Cross multiply
    2,768.37x = 3,818.40 × 1,648.44
  4. Step 4: Simplify right side
    2,768.37x = 6,294,403.30
  5. Step 5: Solve for x
    x = 6,294,403.30/2,768.37
  6. Step 6: Final answer
    x = 2,273.69

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1.5x scale

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.