Home / 2,879.04-4,311.96-1,781.52

Finding the Fourth Proportional to 2,879.04, 4,311.96 and 1,781.52

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Solution

The fourth proportional to 2,879.04, 4,311.96 and 1,781.52 is: 2,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.04 : 4,311.96 = 1,781.52 : x
  2. Step 2: Convert to fraction form
    2,879.04/4,311.96 = 1,781.52/x
  3. Step 3: Cross multiply
    2,879.04x = 4,311.96 × 1,781.52
  4. Step 4: Simplify right side
    2,879.04x = 7,681,842.98
  5. Step 5: Solve for x
    x = 7,681,842.98/2,879.04
  6. Step 6: Final answer
    x = 2,668.20

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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.