Home / 3,964.16-5,947.13-2,114.30

Finding the Fourth Proportional to 3,964.16, 5,947.13 and 2,114.30

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Solution

The fourth proportional to 3,964.16, 5,947.13 and 2,114.30 is: 3,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.16 : 5,947.13 = 2,114.30 : x
  2. Step 2: Convert to fraction form
    3,964.16/5,947.13 = 2,114.30/x
  3. Step 3: Cross multiply
    3,964.16x = 5,947.13 × 2,114.30
  4. Step 4: Simplify right side
    3,964.16x = 12,573,976.65
  5. Step 5: Solve for x
    x = 12,573,976.65/3,964.16
  6. Step 6: Final answer
    x = 3,171.92

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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.