Home / 3,949.10-5,923.65-2,005.10

Finding the Fourth Proportional to 3,949.10, 5,923.65 and 2,005.10

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Solution

The fourth proportional to 3,949.10, 5,923.65 and 2,005.10 is: 3,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.10 : 5,923.65 = 2,005.10 : x
  2. Step 2: Convert to fraction form
    3,949.10/5,923.65 = 2,005.10/x
  3. Step 3: Cross multiply
    3,949.10x = 5,923.65 × 2,005.10
  4. Step 4: Simplify right side
    3,949.10x = 11,877,510.62
  5. Step 5: Solve for x
    x = 11,877,510.62/3,949.10
  6. Step 6: Final answer
    x = 3,007.65

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1.5x scale

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.