Home / 2,469.44-3,404.48-1,938.90

Finding the Fourth Proportional to 2,469.44, 3,404.48 and 1,938.90

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Solution

The fourth proportional to 2,469.44, 3,404.48 and 1,938.90 is: 2,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.44 : 3,404.48 = 1,938.90 : x
  2. Step 2: Convert to fraction form
    2,469.44/3,404.48 = 1,938.90/x
  3. Step 3: Cross multiply
    2,469.44x = 3,404.48 × 1,938.90
  4. Step 4: Simplify right side
    2,469.44x = 6,600,946.27
  5. Step 5: Solve for x
    x = 6,600,946.27/2,469.44
  6. Step 6: Final answer
    x = 2,673.05

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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.