Home / 2,983.91-4,115.88-1,923.03

Finding the Fourth Proportional to 2,983.91, 4,115.88 and 1,923.03

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Solution

The fourth proportional to 2,983.91, 4,115.88 and 1,923.03 is: 2,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.91 : 4,115.88 = 1,923.03 : x
  2. Step 2: Convert to fraction form
    2,983.91/4,115.88 = 1,923.03/x
  3. Step 3: Cross multiply
    2,983.91x = 4,115.88 × 1,923.03
  4. Step 4: Simplify right side
    2,983.91x = 7,914,960.72
  5. Step 5: Solve for x
    x = 7,914,960.72/2,983.91
  6. Step 6: Final answer
    x = 2,652.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.