Home / 3,793.63-5,235.60-2,115.31

Finding the Fourth Proportional to 3,793.63, 5,235.60 and 2,115.31

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Solution

The fourth proportional to 3,793.63, 5,235.60 and 2,115.31 is: 2,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.63 : 5,235.60 = 2,115.31 : x
  2. Step 2: Convert to fraction form
    3,793.63/5,235.60 = 2,115.31/x
  3. Step 3: Cross multiply
    3,793.63x = 5,235.60 × 2,115.31
  4. Step 4: Simplify right side
    3,793.63x = 11,074,917.04
  5. Step 5: Solve for x
    x = 11,074,917.04/3,793.63
  6. Step 6: Final answer
    x = 2,919.35

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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.