Home / 2,782.67-3,819.62-2,460.88

Finding the Fourth Proportional to 2,782.67, 3,819.62 and 2,460.88

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Solution

The fourth proportional to 2,782.67, 3,819.62 and 2,460.88 is: 3,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.67 : 3,819.62 = 2,460.88 : x
  2. Step 2: Convert to fraction form
    2,782.67/3,819.62 = 2,460.88/x
  3. Step 3: Cross multiply
    2,782.67x = 3,819.62 × 2,460.88
  4. Step 4: Simplify right side
    2,782.67x = 9,399,626.47
  5. Step 5: Solve for x
    x = 9,399,626.47/2,782.67
  6. Step 6: Final answer
    x = 3,377.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.