Home / 3,215.19-4,439.48-2,467.97

Finding the Fourth Proportional to 3,215.19, 4,439.48 and 2,467.97

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Solution

The fourth proportional to 3,215.19, 4,439.48 and 2,467.97 is: 3,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.19 : 4,439.48 = 2,467.97 : x
  2. Step 2: Convert to fraction form
    3,215.19/4,439.48 = 2,467.97/x
  3. Step 3: Cross multiply
    3,215.19x = 4,439.48 × 2,467.97
  4. Step 4: Simplify right side
    3,215.19x = 10,956,468.92
  5. Step 5: Solve for x
    x = 10,956,468.92/3,215.19
  6. Step 6: Final answer
    x = 3,407.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.