Home / 2,967.80-4,455.30-2,231.60

Finding the Fourth Proportional to 2,967.80, 4,455.30 and 2,231.60

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Solution

The fourth proportional to 2,967.80, 4,455.30 and 2,231.60 is: 3,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.80 : 4,455.30 = 2,231.60 : x
  2. Step 2: Convert to fraction form
    2,967.80/4,455.30 = 2,231.60/x
  3. Step 3: Cross multiply
    2,967.80x = 4,455.30 × 2,231.60
  4. Step 4: Simplify right side
    2,967.80x = 9,942,447.48
  5. Step 5: Solve for x
    x = 9,942,447.48/2,967.80
  6. Step 6: Final answer
    x = 3,350.11

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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.