Home / 3,403.91-4,698.20-2,078.73

Finding the Fourth Proportional to 3,403.91, 4,698.20 and 2,078.73

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Solution

The fourth proportional to 3,403.91, 4,698.20 and 2,078.73 is: 2,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.91 : 4,698.20 = 2,078.73 : x
  2. Step 2: Convert to fraction form
    3,403.91/4,698.20 = 2,078.73/x
  3. Step 3: Cross multiply
    3,403.91x = 4,698.20 × 2,078.73
  4. Step 4: Simplify right side
    3,403.91x = 9,766,265.80
  5. Step 5: Solve for x
    x = 9,766,265.80/3,403.91
  6. Step 6: Final answer
    x = 2,869.13

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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.