Home / 2,469.36-3,404.40-2,392.92

Finding the Fourth Proportional to 2,469.36, 3,404.40 and 2,392.92

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Solution

The fourth proportional to 2,469.36, 3,404.40 and 2,392.92 is: 3,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.36 : 3,404.40 = 2,392.92 : x
  2. Step 2: Convert to fraction form
    2,469.36/3,404.40 = 2,392.92/x
  3. Step 3: Cross multiply
    2,469.36x = 3,404.40 × 2,392.92
  4. Step 4: Simplify right side
    2,469.36x = 8,146,456.85
  5. Step 5: Solve for x
    x = 8,146,456.85/2,469.36
  6. Step 6: Final answer
    x = 3,299.02

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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.