Home / 3,015.40-4,523.20-1,067.72

Finding the Fourth Proportional to 3,015.40, 4,523.20 and 1,067.72

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Solution

The fourth proportional to 3,015.40, 4,523.20 and 1,067.72 is: 1,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.40 : 4,523.20 = 1,067.72 : x
  2. Step 2: Convert to fraction form
    3,015.40/4,523.20 = 1,067.72/x
  3. Step 3: Cross multiply
    3,015.40x = 4,523.20 × 1,067.72
  4. Step 4: Simplify right side
    3,015.40x = 4,829,511.10
  5. Step 5: Solve for x
    x = 4,829,511.10/3,015.40
  6. Step 6: Final answer
    x = 1,601.62

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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.