Home / 3,401.65-4,694.27-1,909.59

Finding the Fourth Proportional to 3,401.65, 4,694.27 and 1,909.59

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Solution

The fourth proportional to 3,401.65, 4,694.27 and 1,909.59 is: 2,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.65 : 4,694.27 = 1,909.59 : x
  2. Step 2: Convert to fraction form
    3,401.65/4,694.27 = 1,909.59/x
  3. Step 3: Cross multiply
    3,401.65x = 4,694.27 × 1,909.59
  4. Step 4: Simplify right side
    3,401.65x = 8,964,121.50
  5. Step 5: Solve for x
    x = 8,964,121.50/3,401.65
  6. Step 6: Final answer
    x = 2,635.23

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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.