Home / 2,779.07-4,169.22-1,135.79

Finding the Fourth Proportional to 2,779.07, 4,169.22 and 1,135.79

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Solution

The fourth proportional to 2,779.07, 4,169.22 and 1,135.79 is: 1,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.07 : 4,169.22 = 1,135.79 : x
  2. Step 2: Convert to fraction form
    2,779.07/4,169.22 = 1,135.79/x
  3. Step 3: Cross multiply
    2,779.07x = 4,169.22 × 1,135.79
  4. Step 4: Simplify right side
    2,779.07x = 4,735,331.86
  5. Step 5: Solve for x
    x = 4,735,331.86/2,779.07
  6. Step 6: Final answer
    x = 1,703.93

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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.