Home / 3,256.40-4,493.92-2,469.12

Finding the Fourth Proportional to 3,256.40, 4,493.92 and 2,469.12

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Solution

The fourth proportional to 3,256.40, 4,493.92 and 2,469.12 is: 3,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.40 : 4,493.92 = 2,469.12 : x
  2. Step 2: Convert to fraction form
    3,256.40/4,493.92 = 2,469.12/x
  3. Step 3: Cross multiply
    3,256.40x = 4,493.92 × 2,469.12
  4. Step 4: Simplify right side
    3,256.40x = 11,096,027.75
  5. Step 5: Solve for x
    x = 11,096,027.75/3,256.40
  6. Step 6: Final answer
    x = 3,407.45

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1.5x scale

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.