Home / 2,859.32-4,285.38-1,213.94

Finding the Fourth Proportional to 2,859.32, 4,285.38 and 1,213.94

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Solution

The fourth proportional to 2,859.32, 4,285.38 and 1,213.94 is: 1,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.32 : 4,285.38 = 1,213.94 : x
  2. Step 2: Convert to fraction form
    2,859.32/4,285.38 = 1,213.94/x
  3. Step 3: Cross multiply
    2,859.32x = 4,285.38 × 1,213.94
  4. Step 4: Simplify right side
    2,859.32x = 5,202,194.20
  5. Step 5: Solve for x
    x = 5,202,194.20/2,859.32
  6. Step 6: Final answer
    x = 1,819.38

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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.