Home / 3,163.90-4,740.45-2,008.30

Finding the Fourth Proportional to 3,163.90, 4,740.45 and 2,008.30

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Solution

The fourth proportional to 3,163.90, 4,740.45 and 2,008.30 is: 3,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.90 : 4,740.45 = 2,008.30 : x
  2. Step 2: Convert to fraction form
    3,163.90/4,740.45 = 2,008.30/x
  3. Step 3: Cross multiply
    3,163.90x = 4,740.45 × 2,008.30
  4. Step 4: Simplify right side
    3,163.90x = 9,520,245.74
  5. Step 5: Solve for x
    x = 9,520,245.74/3,163.90
  6. Step 6: Final answer
    x = 3,009.02

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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.