Home / 2,779.53-4,169.98-1,959.41

Finding the Fourth Proportional to 2,779.53, 4,169.98 and 1,959.41

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Solution

The fourth proportional to 2,779.53, 4,169.98 and 1,959.41 is: 2,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.53 : 4,169.98 = 1,959.41 : x
  2. Step 2: Convert to fraction form
    2,779.53/4,169.98 = 1,959.41/x
  3. Step 3: Cross multiply
    2,779.53x = 4,169.98 × 1,959.41
  4. Step 4: Simplify right side
    2,779.53x = 8,170,689.93
  5. Step 5: Solve for x
    x = 8,170,689.93/2,779.53
  6. Step 6: Final answer
    x = 2,939.59

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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.