Home / 2,963.30-4,441.11-1,319.78

Finding the Fourth Proportional to 2,963.30, 4,441.11 and 1,319.78

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Solution

The fourth proportional to 2,963.30, 4,441.11 and 1,319.78 is: 1,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.30 : 4,441.11 = 1,319.78 : x
  2. Step 2: Convert to fraction form
    2,963.30/4,441.11 = 1,319.78/x
  3. Step 3: Cross multiply
    2,963.30x = 4,441.11 × 1,319.78
  4. Step 4: Simplify right side
    2,963.30x = 5,861,288.16
  5. Step 5: Solve for x
    x = 5,861,288.16/2,963.30
  6. Step 6: Final answer
    x = 1,977.96

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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.