Home / 3,835.64-5,749.80-1,236.75

Finding the Fourth Proportional to 3,835.64, 5,749.80 and 1,236.75

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Solution

The fourth proportional to 3,835.64, 5,749.80 and 1,236.75 is: 1,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.64 : 5,749.80 = 1,236.75 : x
  2. Step 2: Convert to fraction form
    3,835.64/5,749.80 = 1,236.75/x
  3. Step 3: Cross multiply
    3,835.64x = 5,749.80 × 1,236.75
  4. Step 4: Simplify right side
    3,835.64x = 7,111,065.15
  5. Step 5: Solve for x
    x = 7,111,065.15/3,835.64
  6. Step 6: Final answer
    x = 1,853.95

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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.