Home / 2,972.72-4,101.27-1,793.36

Finding the Fourth Proportional to 2,972.72, 4,101.27 and 1,793.36

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Solution

The fourth proportional to 2,972.72, 4,101.27 and 1,793.36 is: 2,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.72 : 4,101.27 = 1,793.36 : x
  2. Step 2: Convert to fraction form
    2,972.72/4,101.27 = 1,793.36/x
  3. Step 3: Cross multiply
    2,972.72x = 4,101.27 × 1,793.36
  4. Step 4: Simplify right side
    2,972.72x = 7,355,033.06
  5. Step 5: Solve for x
    x = 7,355,033.06/2,972.72
  6. Step 6: Final answer
    x = 2,474.18

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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.