Home / 3,835.12-5,753.88-1,238.26

Finding the Fourth Proportional to 3,835.12, 5,753.88 and 1,238.26

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Solution

The fourth proportional to 3,835.12, 5,753.88 and 1,238.26 is: 1,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.12 : 5,753.88 = 1,238.26 : x
  2. Step 2: Convert to fraction form
    3,835.12/5,753.88 = 1,238.26/x
  3. Step 3: Cross multiply
    3,835.12x = 5,753.88 × 1,238.26
  4. Step 4: Simplify right side
    3,835.12x = 7,124,799.45
  5. Step 5: Solve for x
    x = 7,124,799.45/3,835.12
  6. Step 6: Final answer
    x = 1,857.78

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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.