Home / 3,880.53-5,354.97-2,201.90

Finding the Fourth Proportional to 3,880.53, 5,354.97 and 2,201.90

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Solution

The fourth proportional to 3,880.53, 5,354.97 and 2,201.90 is: 3,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.53 : 5,354.97 = 2,201.90 : x
  2. Step 2: Convert to fraction form
    3,880.53/5,354.97 = 2,201.90/x
  3. Step 3: Cross multiply
    3,880.53x = 5,354.97 × 2,201.90
  4. Step 4: Simplify right side
    3,880.53x = 11,791,099.00
  5. Step 5: Solve for x
    x = 11,791,099.00/3,880.53
  6. Step 6: Final answer
    x = 3,038.53

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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.