Home / 2,213.06-3,319.60-914.57

Finding the Fourth Proportional to 2,213.06, 3,319.60 and 914.57

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Solution

The fourth proportional to 2,213.06, 3,319.60 and 914.57 is: 1,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.06 : 3,319.60 = 914.57 : x
  2. Step 2: Convert to fraction form
    2,213.06/3,319.60 = 914.57/x
  3. Step 3: Cross multiply
    2,213.06x = 3,319.60 × 914.57
  4. Step 4: Simplify right side
    2,213.06x = 3,035,987.69
  5. Step 5: Solve for x
    x = 3,035,987.69/2,213.06
  6. Step 6: Final answer
    x = 1,371.85

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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.