Home / 2,216.28-3,320.52-1,974.96

Finding the Fourth Proportional to 2,216.28, 3,320.52 and 1,974.96

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Solution

The fourth proportional to 2,216.28, 3,320.52 and 1,974.96 is: 2,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.28 : 3,320.52 = 1,974.96 : x
  2. Step 2: Convert to fraction form
    2,216.28/3,320.52 = 1,974.96/x
  3. Step 3: Cross multiply
    2,216.28x = 3,320.52 × 1,974.96
  4. Step 4: Simplify right side
    2,216.28x = 6,557,894.18
  5. Step 5: Solve for x
    x = 6,557,894.18/2,216.28
  6. Step 6: Final answer
    x = 2,958.96

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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.