Home / 3,974.58-5,485.01-2,206.13

Finding the Fourth Proportional to 3,974.58, 5,485.01 and 2,206.13

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Solution

The fourth proportional to 3,974.58, 5,485.01 and 2,206.13 is: 3,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.58 : 5,485.01 = 2,206.13 : x
  2. Step 2: Convert to fraction form
    3,974.58/5,485.01 = 2,206.13/x
  3. Step 3: Cross multiply
    3,974.58x = 5,485.01 × 2,206.13
  4. Step 4: Simplify right side
    3,974.58x = 12,100,606.66
  5. Step 5: Solve for x
    x = 12,100,606.66/3,974.58
  6. Step 6: Final answer
    x = 3,044.50

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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.