Home / 3,995.12-5,987.12-2,043.20

Finding the Fourth Proportional to 3,995.12, 5,987.12 and 2,043.20

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Solution

The fourth proportional to 3,995.12, 5,987.12 and 2,043.20 is: 3,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.12 : 5,987.12 = 2,043.20 : x
  2. Step 2: Convert to fraction form
    3,995.12/5,987.12 = 2,043.20/x
  3. Step 3: Cross multiply
    3,995.12x = 5,987.12 × 2,043.20
  4. Step 4: Simplify right side
    3,995.12x = 12,232,883.58
  5. Step 5: Solve for x
    x = 12,232,883.58/3,995.12
  6. Step 6: Final answer
    x = 3,061.96

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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.