Home / 3,995.20-5,987.58-2,144.14

Finding the Fourth Proportional to 3,995.20, 5,987.58 and 2,144.14

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Solution

The fourth proportional to 3,995.20, 5,987.58 and 2,144.14 is: 3,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.20 : 5,987.58 = 2,144.14 : x
  2. Step 2: Convert to fraction form
    3,995.20/5,987.58 = 2,144.14/x
  3. Step 3: Cross multiply
    3,995.20x = 5,987.58 × 2,144.14
  4. Step 4: Simplify right side
    3,995.20x = 12,838,232.51
  5. Step 5: Solve for x
    x = 12,838,232.51/3,995.20
  6. Step 6: Final answer
    x = 3,213.42

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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.