Home / 3,982.02-5,974.02-1,384.98

Finding the Fourth Proportional to 3,982.02, 5,974.02 and 1,384.98

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Solution

The fourth proportional to 3,982.02, 5,974.02 and 1,384.98 is: 2,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.02 : 5,974.02 = 1,384.98 : x
  2. Step 2: Convert to fraction form
    3,982.02/5,974.02 = 1,384.98/x
  3. Step 3: Cross multiply
    3,982.02x = 5,974.02 × 1,384.98
  4. Step 4: Simplify right side
    3,982.02x = 8,273,898.22
  5. Step 5: Solve for x
    x = 8,273,898.22/3,982.02
  6. Step 6: Final answer
    x = 2,077.81

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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.