Home / 2,548.40-3,819.60-1,508.88

Finding the Fourth Proportional to 2,548.40, 3,819.60 and 1,508.88

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Solution

The fourth proportional to 2,548.40, 3,819.60 and 1,508.88 is: 2,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.40 : 3,819.60 = 1,508.88 : x
  2. Step 2: Convert to fraction form
    2,548.40/3,819.60 = 1,508.88/x
  3. Step 3: Cross multiply
    2,548.40x = 3,819.60 × 1,508.88
  4. Step 4: Simplify right side
    2,548.40x = 5,763,318.05
  5. Step 5: Solve for x
    x = 5,763,318.05/2,548.40
  6. Step 6: Final answer
    x = 2,261.54

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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.