Home / 3,811.37-5,717.24-1,214.51

Finding the Fourth Proportional to 3,811.37, 5,717.24 and 1,214.51

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Solution

The fourth proportional to 3,811.37, 5,717.24 and 1,214.51 is: 1,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.37 : 5,717.24 = 1,214.51 : x
  2. Step 2: Convert to fraction form
    3,811.37/5,717.24 = 1,214.51/x
  3. Step 3: Cross multiply
    3,811.37x = 5,717.24 × 1,214.51
  4. Step 4: Simplify right side
    3,811.37x = 6,943,610.49
  5. Step 5: Solve for x
    x = 6,943,610.49/3,811.37
  6. Step 6: Final answer
    x = 1,821.82

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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.