Home / 3,822.12-5,732.64-1,873.80

Finding the Fourth Proportional to 3,822.12, 5,732.64 and 1,873.80

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Solution

The fourth proportional to 3,822.12, 5,732.64 and 1,873.80 is: 2,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.12 : 5,732.64 = 1,873.80 : x
  2. Step 2: Convert to fraction form
    3,822.12/5,732.64 = 1,873.80/x
  3. Step 3: Cross multiply
    3,822.12x = 5,732.64 × 1,873.80
  4. Step 4: Simplify right side
    3,822.12x = 10,741,820.83
  5. Step 5: Solve for x
    x = 10,741,820.83/3,822.12
  6. Step 6: Final answer
    x = 2,810.44

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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.