Home / 3,150.62-4,722.18-1,299.36

Finding the Fourth Proportional to 3,150.62, 4,722.18 and 1,299.36

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Solution

The fourth proportional to 3,150.62, 4,722.18 and 1,299.36 is: 1,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.62 : 4,722.18 = 1,299.36 : x
  2. Step 2: Convert to fraction form
    3,150.62/4,722.18 = 1,299.36/x
  3. Step 3: Cross multiply
    3,150.62x = 4,722.18 × 1,299.36
  4. Step 4: Simplify right side
    3,150.62x = 6,135,811.80
  5. Step 5: Solve for x
    x = 6,135,811.80/3,150.62
  6. Step 6: Final answer
    x = 1,947.49

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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.