Home / 3,453.60-5,177.73-1,698.06

Finding the Fourth Proportional to 3,453.60, 5,177.73 and 1,698.06

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Solution

The fourth proportional to 3,453.60, 5,177.73 and 1,698.06 is: 2,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.60 : 5,177.73 = 1,698.06 : x
  2. Step 2: Convert to fraction form
    3,453.60/5,177.73 = 1,698.06/x
  3. Step 3: Cross multiply
    3,453.60x = 5,177.73 × 1,698.06
  4. Step 4: Simplify right side
    3,453.60x = 8,792,096.20
  5. Step 5: Solve for x
    x = 8,792,096.20/3,453.60
  6. Step 6: Final answer
    x = 2,545.78

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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.