Home / 2,256.30-3,380.70-2,170.98

Finding the Fourth Proportional to 2,256.30, 3,380.70 and 2,170.98

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Solution

The fourth proportional to 2,256.30, 3,380.70 and 2,170.98 is: 3,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.30 : 3,380.70 = 2,170.98 : x
  2. Step 2: Convert to fraction form
    2,256.30/3,380.70 = 2,170.98/x
  3. Step 3: Cross multiply
    2,256.30x = 3,380.70 × 2,170.98
  4. Step 4: Simplify right side
    2,256.30x = 7,339,432.09
  5. Step 5: Solve for x
    x = 7,339,432.09/2,256.30
  6. Step 6: Final answer
    x = 3,252.86

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1.5x scale

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.