Home / 2,519.12-3,778.80-1,348.64

Finding the Fourth Proportional to 2,519.12, 3,778.80 and 1,348.64

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Solution

The fourth proportional to 2,519.12, 3,778.80 and 1,348.64 is: 2,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.12 : 3,778.80 = 1,348.64 : x
  2. Step 2: Convert to fraction form
    2,519.12/3,778.80 = 1,348.64/x
  3. Step 3: Cross multiply
    2,519.12x = 3,778.80 × 1,348.64
  4. Step 4: Simplify right side
    2,519.12x = 5,096,240.83
  5. Step 5: Solve for x
    x = 5,096,240.83/2,519.12
  6. Step 6: Final answer
    x = 2,023.02

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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.