Home / 3,979.10-5,957.70-2,027.40

Finding the Fourth Proportional to 3,979.10, 5,957.70 and 2,027.40

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Solution

The fourth proportional to 3,979.10, 5,957.70 and 2,027.40 is: 3,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.10 : 5,957.70 = 2,027.40 : x
  2. Step 2: Convert to fraction form
    3,979.10/5,957.70 = 2,027.40/x
  3. Step 3: Cross multiply
    3,979.10x = 5,957.70 × 2,027.40
  4. Step 4: Simplify right side
    3,979.10x = 12,078,640.98
  5. Step 5: Solve for x
    x = 12,078,640.98/3,979.10
  6. Step 6: Final answer
    x = 3,035.52

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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.