Home / 2,246.20-3,369.31-859.97

Finding the Fourth Proportional to 2,246.20, 3,369.31 and 859.97

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Solution

The fourth proportional to 2,246.20, 3,369.31 and 859.97 is: 1,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.20 : 3,369.31 = 859.97 : x
  2. Step 2: Convert to fraction form
    2,246.20/3,369.31 = 859.97/x
  3. Step 3: Cross multiply
    2,246.20x = 3,369.31 × 859.97
  4. Step 4: Simplify right side
    2,246.20x = 2,897,484.37
  5. Step 5: Solve for x
    x = 2,897,484.37/2,246.20
  6. Step 6: Final answer
    x = 1,289.95

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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.