Home / 2,310.96-3,466.44-1,213.80

Finding the Fourth Proportional to 2,310.96, 3,466.44 and 1,213.80

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Solution

The fourth proportional to 2,310.96, 3,466.44 and 1,213.80 is: 1,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.96 : 3,466.44 = 1,213.80 : x
  2. Step 2: Convert to fraction form
    2,310.96/3,466.44 = 1,213.80/x
  3. Step 3: Cross multiply
    2,310.96x = 3,466.44 × 1,213.80
  4. Step 4: Simplify right side
    2,310.96x = 4,207,564.87
  5. Step 5: Solve for x
    x = 4,207,564.87/2,310.96
  6. Step 6: Final answer
    x = 1,820.70

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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.