Home / 2,981.64-4,464.90-2,201.88

Finding the Fourth Proportional to 2,981.64, 4,464.90 and 2,201.88

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Solution

The fourth proportional to 2,981.64, 4,464.90 and 2,201.88 is: 3,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.64 : 4,464.90 = 2,201.88 : x
  2. Step 2: Convert to fraction form
    2,981.64/4,464.90 = 2,201.88/x
  3. Step 3: Cross multiply
    2,981.64x = 4,464.90 × 2,201.88
  4. Step 4: Simplify right side
    2,981.64x = 9,831,174.01
  5. Step 5: Solve for x
    x = 9,831,174.01/2,981.64
  6. Step 6: Final answer
    x = 3,297.24

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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.