Home / 3,836.37-5,754.56-1,239.51

Finding the Fourth Proportional to 3,836.37, 5,754.56 and 1,239.51

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Solution

The fourth proportional to 3,836.37, 5,754.56 and 1,239.51 is: 1,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.37 : 5,754.56 = 1,239.51 : x
  2. Step 2: Convert to fraction form
    3,836.37/5,754.56 = 1,239.51/x
  3. Step 3: Cross multiply
    3,836.37x = 5,754.56 × 1,239.51
  4. Step 4: Simplify right side
    3,836.37x = 7,132,828.47
  5. Step 5: Solve for x
    x = 7,132,828.47/3,836.37
  6. Step 6: Final answer
    x = 1,859.27

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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.