Home / 3,401.44-4,693.92-1,909.36

Finding the Fourth Proportional to 3,401.44, 4,693.92 and 1,909.36

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Solution

The fourth proportional to 3,401.44, 4,693.92 and 1,909.36 is: 2,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.44 : 4,693.92 = 1,909.36 : x
  2. Step 2: Convert to fraction form
    3,401.44/4,693.92 = 1,909.36/x
  3. Step 3: Cross multiply
    3,401.44x = 4,693.92 × 1,909.36
  4. Step 4: Simplify right side
    3,401.44x = 8,962,383.09
  5. Step 5: Solve for x
    x = 8,962,383.09/3,401.44
  6. Step 6: Final answer
    x = 2,634.88

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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.