Home / 3,793.97-5,235.66-2,115.36

Finding the Fourth Proportional to 3,793.97, 5,235.66 and 2,115.36

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Solution

The fourth proportional to 3,793.97, 5,235.66 and 2,115.36 is: 2,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.97 : 5,235.66 = 2,115.36 : x
  2. Step 2: Convert to fraction form
    3,793.97/5,235.66 = 2,115.36/x
  3. Step 3: Cross multiply
    3,793.97x = 5,235.66 × 2,115.36
  4. Step 4: Simplify right side
    3,793.97x = 11,075,305.74
  5. Step 5: Solve for x
    x = 11,075,305.74/3,793.97
  6. Step 6: Final answer
    x = 2,919.19

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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.