Home / 2,810.22-4,210.46-2,231.88

Finding the Fourth Proportional to 2,810.22, 4,210.46 and 2,231.88

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Solution

The fourth proportional to 2,810.22, 4,210.46 and 2,231.88 is: 3,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.22 : 4,210.46 = 2,231.88 : x
  2. Step 2: Convert to fraction form
    2,810.22/4,210.46 = 2,231.88/x
  3. Step 3: Cross multiply
    2,810.22x = 4,210.46 × 2,231.88
  4. Step 4: Simplify right side
    2,810.22x = 9,397,241.46
  5. Step 5: Solve for x
    x = 9,397,241.46/2,810.22
  6. Step 6: Final answer
    x = 3,343.95

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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.