Home / 3,162.04-4,739.41-1,992.90

Finding the Fourth Proportional to 3,162.04, 4,739.41 and 1,992.90

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Solution

The fourth proportional to 3,162.04, 4,739.41 and 1,992.90 is: 2,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.04 : 4,739.41 = 1,992.90 : x
  2. Step 2: Convert to fraction form
    3,162.04/4,739.41 = 1,992.90/x
  3. Step 3: Cross multiply
    3,162.04x = 4,739.41 × 1,992.90
  4. Step 4: Simplify right side
    3,162.04x = 9,445,190.45
  5. Step 5: Solve for x
    x = 9,445,190.45/3,162.04
  6. Step 6: Final answer
    x = 2,987.06

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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.