Home / 2,512.30-3,768.42-1,964.94

Finding the Fourth Proportional to 2,512.30, 3,768.42 and 1,964.94

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Solution

The fourth proportional to 2,512.30, 3,768.42 and 1,964.94 is: 2,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.30 : 3,768.42 = 1,964.94 : x
  2. Step 2: Convert to fraction form
    2,512.30/3,768.42 = 1,964.94/x
  3. Step 3: Cross multiply
    2,512.30x = 3,768.42 × 1,964.94
  4. Step 4: Simplify right side
    2,512.30x = 7,404,719.19
  5. Step 5: Solve for x
    x = 7,404,719.19/2,512.30
  6. Step 6: Final answer
    x = 2,947.39

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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.