Home / 3,810.34-5,711.58-2,163.41

Finding the Fourth Proportional to 3,810.34, 5,711.58 and 2,163.41

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Solution

The fourth proportional to 3,810.34, 5,711.58 and 2,163.41 is: 3,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.34 : 5,711.58 = 2,163.41 : x
  2. Step 2: Convert to fraction form
    3,810.34/5,711.58 = 2,163.41/x
  3. Step 3: Cross multiply
    3,810.34x = 5,711.58 × 2,163.41
  4. Step 4: Simplify right side
    3,810.34x = 12,356,466.14
  5. Step 5: Solve for x
    x = 12,356,466.14/3,810.34
  6. Step 6: Final answer
    x = 3,242.88

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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.