Home / 3,974.64-5,484.73-2,206.11

Finding the Fourth Proportional to 3,974.64, 5,484.73 and 2,206.11

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Solution

The fourth proportional to 3,974.64, 5,484.73 and 2,206.11 is: 3,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.64 : 5,484.73 = 2,206.11 : x
  2. Step 2: Convert to fraction form
    3,974.64/5,484.73 = 2,206.11/x
  3. Step 3: Cross multiply
    3,974.64x = 5,484.73 × 2,206.11
  4. Step 4: Simplify right side
    3,974.64x = 12,099,923.22
  5. Step 5: Solve for x
    x = 12,099,923.22/3,974.64
  6. Step 6: Final answer
    x = 3,044.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.