Home / 2,779.08-4,169.80-2,042.48

Finding the Fourth Proportional to 2,779.08, 4,169.80 and 2,042.48

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Solution

The fourth proportional to 2,779.08, 4,169.80 and 2,042.48 is: 3,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.08 : 4,169.80 = 2,042.48 : x
  2. Step 2: Convert to fraction form
    2,779.08/4,169.80 = 2,042.48/x
  3. Step 3: Cross multiply
    2,779.08x = 4,169.80 × 2,042.48
  4. Step 4: Simplify right side
    2,779.08x = 8,516,733.10
  5. Step 5: Solve for x
    x = 8,516,733.10/2,779.08
  6. Step 6: Final answer
    x = 3,064.59

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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.