Home / 3,450.50-5,176.30-1,142.54

Finding the Fourth Proportional to 3,450.50, 5,176.30 and 1,142.54

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Solution

The fourth proportional to 3,450.50, 5,176.30 and 1,142.54 is: 1,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.50 : 5,176.30 = 1,142.54 : x
  2. Step 2: Convert to fraction form
    3,450.50/5,176.30 = 1,142.54/x
  3. Step 3: Cross multiply
    3,450.50x = 5,176.30 × 1,142.54
  4. Step 4: Simplify right side
    3,450.50x = 5,914,129.80
  5. Step 5: Solve for x
    x = 5,914,129.80/3,450.50
  6. Step 6: Final answer
    x = 1,713.99

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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.