Home / 3,215.64-4,819.80-2,433.09

Finding the Fourth Proportional to 3,215.64, 4,819.80 and 2,433.09

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Solution

The fourth proportional to 3,215.64, 4,819.80 and 2,433.09 is: 3,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.64 : 4,819.80 = 2,433.09 : x
  2. Step 2: Convert to fraction form
    3,215.64/4,819.80 = 2,433.09/x
  3. Step 3: Cross multiply
    3,215.64x = 4,819.80 × 2,433.09
  4. Step 4: Simplify right side
    3,215.64x = 11,727,007.18
  5. Step 5: Solve for x
    x = 11,727,007.18/3,215.64
  6. Step 6: Final answer
    x = 3,646.87

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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.