Home / 3,995.96-5,987.33-2,431.22

Finding the Fourth Proportional to 3,995.96, 5,987.33 and 2,431.22

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Solution

The fourth proportional to 3,995.96, 5,987.33 and 2,431.22 is: 3,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.96 : 5,987.33 = 2,431.22 : x
  2. Step 2: Convert to fraction form
    3,995.96/5,987.33 = 2,431.22/x
  3. Step 3: Cross multiply
    3,995.96x = 5,987.33 × 2,431.22
  4. Step 4: Simplify right side
    3,995.96x = 14,556,474.35
  5. Step 5: Solve for x
    x = 14,556,474.35/3,995.96
  6. Step 6: Final answer
    x = 3,642.80

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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.