Home / 2,133.21-3,200.90-1,037.55

Finding the Fourth Proportional to 2,133.21, 3,200.90 and 1,037.55

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Solution

The fourth proportional to 2,133.21, 3,200.90 and 1,037.55 is: 1,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.21 : 3,200.90 = 1,037.55 : x
  2. Step 2: Convert to fraction form
    2,133.21/3,200.90 = 1,037.55/x
  3. Step 3: Cross multiply
    2,133.21x = 3,200.90 × 1,037.55
  4. Step 4: Simplify right side
    2,133.21x = 3,321,093.80
  5. Step 5: Solve for x
    x = 3,321,093.80/2,133.21
  6. Step 6: Final answer
    x = 1,556.85

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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.