Home / 2,546.70-3,819.57-1,247.34

Finding the Fourth Proportional to 2,546.70, 3,819.57 and 1,247.34

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Solution

The fourth proportional to 2,546.70, 3,819.57 and 1,247.34 is: 1,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.70 : 3,819.57 = 1,247.34 : x
  2. Step 2: Convert to fraction form
    2,546.70/3,819.57 = 1,247.34/x
  3. Step 3: Cross multiply
    2,546.70x = 3,819.57 × 1,247.34
  4. Step 4: Simplify right side
    2,546.70x = 4,764,302.44
  5. Step 5: Solve for x
    x = 4,764,302.44/2,546.70
  6. Step 6: Final answer
    x = 1,870.77

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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.