Home / 2,519.37-3,779.60-1,057.77

Finding the Fourth Proportional to 2,519.37, 3,779.60 and 1,057.77

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Solution

The fourth proportional to 2,519.37, 3,779.60 and 1,057.77 is: 1,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.37 : 3,779.60 = 1,057.77 : x
  2. Step 2: Convert to fraction form
    2,519.37/3,779.60 = 1,057.77/x
  3. Step 3: Cross multiply
    2,519.37x = 3,779.60 × 1,057.77
  4. Step 4: Simplify right side
    2,519.37x = 3,997,942.20
  5. Step 5: Solve for x
    x = 3,997,942.20/2,519.37
  6. Step 6: Final answer
    x = 1,586.88

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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.