Home / 2,659.15-3,983.05-2,169.91

Finding the Fourth Proportional to 2,659.15, 3,983.05 and 2,169.91

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Solution

The fourth proportional to 2,659.15, 3,983.05 and 2,169.91 is: 3,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.15 : 3,983.05 = 2,169.91 : x
  2. Step 2: Convert to fraction form
    2,659.15/3,983.05 = 2,169.91/x
  3. Step 3: Cross multiply
    2,659.15x = 3,983.05 × 2,169.91
  4. Step 4: Simplify right side
    2,659.15x = 8,642,860.03
  5. Step 5: Solve for x
    x = 8,642,860.03/2,659.15
  6. Step 6: Final answer
    x = 3,250.23

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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.