Home / 2,519.30-3,777.60-1,056.80

Finding the Fourth Proportional to 2,519.30, 3,777.60 and 1,056.80

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Solution

The fourth proportional to 2,519.30, 3,777.60 and 1,056.80 is: 1,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.30 : 3,777.60 = 1,056.80 : x
  2. Step 2: Convert to fraction form
    2,519.30/3,777.60 = 1,056.80/x
  3. Step 3: Cross multiply
    2,519.30x = 3,777.60 × 1,056.80
  4. Step 4: Simplify right side
    2,519.30x = 3,992,167.68
  5. Step 5: Solve for x
    x = 3,992,167.68/2,519.30
  6. Step 6: Final answer
    x = 1,584.63

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1.5x scale

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.