Home / 2,983.62-4,476.17-2,107.85

Finding the Fourth Proportional to 2,983.62, 4,476.17 and 2,107.85

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Solution

The fourth proportional to 2,983.62, 4,476.17 and 2,107.85 is: 3,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.62 : 4,476.17 = 2,107.85 : x
  2. Step 2: Convert to fraction form
    2,983.62/4,476.17 = 2,107.85/x
  3. Step 3: Cross multiply
    2,983.62x = 4,476.17 × 2,107.85
  4. Step 4: Simplify right side
    2,983.62x = 9,435,062.01
  5. Step 5: Solve for x
    x = 9,435,062.01/2,983.62
  6. Step 6: Final answer
    x = 3,162.29

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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.