Home / 3,401.54-4,694.33-1,909.55

Finding the Fourth Proportional to 3,401.54, 4,694.33 and 1,909.55

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Solution

The fourth proportional to 3,401.54, 4,694.33 and 1,909.55 is: 2,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.54 : 4,694.33 = 1,909.55 : x
  2. Step 2: Convert to fraction form
    3,401.54/4,694.33 = 1,909.55/x
  3. Step 3: Cross multiply
    3,401.54x = 4,694.33 × 1,909.55
  4. Step 4: Simplify right side
    3,401.54x = 8,964,060.04
  5. Step 5: Solve for x
    x = 8,964,060.04/3,401.54
  6. Step 6: Final answer
    x = 2,635.30

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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.