Home / 3,450.08-5,175.17-984.79

Finding the Fourth Proportional to 3,450.08, 5,175.17 and 984.79

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Solution

The fourth proportional to 3,450.08, 5,175.17 and 984.79 is: 1,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.08 : 5,175.17 = 984.79 : x
  2. Step 2: Convert to fraction form
    3,450.08/5,175.17 = 984.79/x
  3. Step 3: Cross multiply
    3,450.08x = 5,175.17 × 984.79
  4. Step 4: Simplify right side
    3,450.08x = 5,096,455.66
  5. Step 5: Solve for x
    x = 5,096,455.66/3,450.08
  6. Step 6: Final answer
    x = 1,477.20

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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.