Home / 2,972.23-4,451.94-2,797.56

Finding the Fourth Proportional to 2,972.23, 4,451.94 and 2,797.56

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Solution

The fourth proportional to 2,972.23, 4,451.94 and 2,797.56 is: 4,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.23 : 4,451.94 = 2,797.56 : x
  2. Step 2: Convert to fraction form
    2,972.23/4,451.94 = 2,797.56/x
  3. Step 3: Cross multiply
    2,972.23x = 4,451.94 × 2,797.56
  4. Step 4: Simplify right side
    2,972.23x = 12,454,569.27
  5. Step 5: Solve for x
    x = 12,454,569.27/2,972.23
  6. Step 6: Final answer
    x = 4,190.31

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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.