Home / 2,209.55-3,314.32-1,343.66

Finding the Fourth Proportional to 2,209.55, 3,314.32 and 1,343.66

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Solution

The fourth proportional to 2,209.55, 3,314.32 and 1,343.66 is: 2,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.55 : 3,314.32 = 1,343.66 : x
  2. Step 2: Convert to fraction form
    2,209.55/3,314.32 = 1,343.66/x
  3. Step 3: Cross multiply
    2,209.55x = 3,314.32 × 1,343.66
  4. Step 4: Simplify right side
    2,209.55x = 4,453,299.28
  5. Step 5: Solve for x
    x = 4,453,299.28/2,209.55
  6. Step 6: Final answer
    x = 2,015.48

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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.