Home / 3,455.41-5,179.38-1,698.37

Finding the Fourth Proportional to 3,455.41, 5,179.38 and 1,698.37

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Solution

The fourth proportional to 3,455.41, 5,179.38 and 1,698.37 is: 2,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.41 : 5,179.38 = 1,698.37 : x
  2. Step 2: Convert to fraction form
    3,455.41/5,179.38 = 1,698.37/x
  3. Step 3: Cross multiply
    3,455.41x = 5,179.38 × 1,698.37
  4. Step 4: Simplify right side
    3,455.41x = 8,796,503.61
  5. Step 5: Solve for x
    x = 8,796,503.61/3,455.41
  6. Step 6: Final answer
    x = 2,545.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.