Home / 3,821.04-5,731.24-1,188.44

Finding the Fourth Proportional to 3,821.04, 5,731.24 and 1,188.44

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Solution

The fourth proportional to 3,821.04, 5,731.24 and 1,188.44 is: 1,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.04 : 5,731.24 = 1,188.44 : x
  2. Step 2: Convert to fraction form
    3,821.04/5,731.24 = 1,188.44/x
  3. Step 3: Cross multiply
    3,821.04x = 5,731.24 × 1,188.44
  4. Step 4: Simplify right side
    3,821.04x = 6,811,206.21
  5. Step 5: Solve for x
    x = 6,811,206.21/3,821.04
  6. Step 6: Final answer
    x = 1,782.56

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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.