Home / 3,974.53-5,485.10-2,206.17

Finding the Fourth Proportional to 3,974.53, 5,485.10 and 2,206.17

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Solution

The fourth proportional to 3,974.53, 5,485.10 and 2,206.17 is: 3,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.53 : 5,485.10 = 2,206.17 : x
  2. Step 2: Convert to fraction form
    3,974.53/5,485.10 = 2,206.17/x
  3. Step 3: Cross multiply
    3,974.53x = 5,485.10 × 2,206.17
  4. Step 4: Simplify right side
    3,974.53x = 12,101,035.64
  5. Step 5: Solve for x
    x = 12,101,035.64/3,974.53
  6. Step 6: Final answer
    x = 3,044.65

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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.