Home / 2,519.73-3,481.80-1,892.40

Finding the Fourth Proportional to 2,519.73, 3,481.80 and 1,892.40

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Solution

The fourth proportional to 2,519.73, 3,481.80 and 1,892.40 is: 2,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.73 : 3,481.80 = 1,892.40 : x
  2. Step 2: Convert to fraction form
    2,519.73/3,481.80 = 1,892.40/x
  3. Step 3: Cross multiply
    2,519.73x = 3,481.80 × 1,892.40
  4. Step 4: Simplify right side
    2,519.73x = 6,588,958.32
  5. Step 5: Solve for x
    x = 6,588,958.32/2,519.73
  6. Step 6: Final answer
    x = 2,614.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.