Home / 2,519.16-3,779.42-1,057.92

Finding the Fourth Proportional to 2,519.16, 3,779.42 and 1,057.92

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Solution

The fourth proportional to 2,519.16, 3,779.42 and 1,057.92 is: 1,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.16 : 3,779.42 = 1,057.92 : x
  2. Step 2: Convert to fraction form
    2,519.16/3,779.42 = 1,057.92/x
  3. Step 3: Cross multiply
    2,519.16x = 3,779.42 × 1,057.92
  4. Step 4: Simplify right side
    2,519.16x = 3,998,324.01
  5. Step 5: Solve for x
    x = 3,998,324.01/2,519.16
  6. Step 6: Final answer
    x = 1,587.17

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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.