Home / 2,546.10-3,819.54-1,247.64

Finding the Fourth Proportional to 2,546.10, 3,819.54 and 1,247.64

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Solution

The fourth proportional to 2,546.10, 3,819.54 and 1,247.64 is: 1,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.10 : 3,819.54 = 1,247.64 : x
  2. Step 2: Convert to fraction form
    2,546.10/3,819.54 = 1,247.64/x
  3. Step 3: Cross multiply
    2,546.10x = 3,819.54 × 1,247.64
  4. Step 4: Simplify right side
    2,546.10x = 4,765,410.89
  5. Step 5: Solve for x
    x = 4,765,410.89/2,546.10
  6. Step 6: Final answer
    x = 1,871.65

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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.