Home / 3,450.29-5,176.05-1,260.46

Finding the Fourth Proportional to 3,450.29, 5,176.05 and 1,260.46

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Solution

The fourth proportional to 3,450.29, 5,176.05 and 1,260.46 is: 1,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.29 : 5,176.05 = 1,260.46 : x
  2. Step 2: Convert to fraction form
    3,450.29/5,176.05 = 1,260.46/x
  3. Step 3: Cross multiply
    3,450.29x = 5,176.05 × 1,260.46
  4. Step 4: Simplify right side
    3,450.29x = 6,524,171.80
  5. Step 5: Solve for x
    x = 6,524,171.80/3,450.29
  6. Step 6: Final answer
    x = 1,890.91

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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.