Home / 3,206.99-4,811.23-1,015.72

Finding the Fourth Proportional to 3,206.99, 4,811.23 and 1,015.72

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Solution

The fourth proportional to 3,206.99, 4,811.23 and 1,015.72 is: 1,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.99 : 4,811.23 = 1,015.72 : x
  2. Step 2: Convert to fraction form
    3,206.99/4,811.23 = 1,015.72/x
  3. Step 3: Cross multiply
    3,206.99x = 4,811.23 × 1,015.72
  4. Step 4: Simplify right side
    3,206.99x = 4,886,857.46
  5. Step 5: Solve for x
    x = 4,886,857.46/3,206.99
  6. Step 6: Final answer
    x = 1,523.81

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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.