Home / 3,246.72-4,863.60-2,011.20

Finding the Fourth Proportional to 3,246.72, 4,863.60 and 2,011.20

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Solution

The fourth proportional to 3,246.72, 4,863.60 and 2,011.20 is: 3,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.72 : 4,863.60 = 2,011.20 : x
  2. Step 2: Convert to fraction form
    3,246.72/4,863.60 = 2,011.20/x
  3. Step 3: Cross multiply
    3,246.72x = 4,863.60 × 2,011.20
  4. Step 4: Simplify right side
    3,246.72x = 9,781,672.32
  5. Step 5: Solve for x
    x = 9,781,672.32/3,246.72
  6. Step 6: Final answer
    x = 3,012.79

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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.