Home / 2,197.21-3,027.01-1,532.88

Finding the Fourth Proportional to 2,197.21, 3,027.01 and 1,532.88

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Solution

The fourth proportional to 2,197.21, 3,027.01 and 1,532.88 is: 2,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.21 : 3,027.01 = 1,532.88 : x
  2. Step 2: Convert to fraction form
    2,197.21/3,027.01 = 1,532.88/x
  3. Step 3: Cross multiply
    2,197.21x = 3,027.01 × 1,532.88
  4. Step 4: Simplify right side
    2,197.21x = 4,640,043.09
  5. Step 5: Solve for x
    x = 4,640,043.09/2,197.21
  6. Step 6: Final answer
    x = 2,111.79

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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.