Home / 2,712.68-4,064.82-1,881.37

Finding the Fourth Proportional to 2,712.68, 4,064.82 and 1,881.37

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Solution

The fourth proportional to 2,712.68, 4,064.82 and 1,881.37 is: 2,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.68 : 4,064.82 = 1,881.37 : x
  2. Step 2: Convert to fraction form
    2,712.68/4,064.82 = 1,881.37/x
  3. Step 3: Cross multiply
    2,712.68x = 4,064.82 × 1,881.37
  4. Step 4: Simplify right side
    2,712.68x = 7,647,400.67
  5. Step 5: Solve for x
    x = 7,647,400.67/2,712.68
  6. Step 6: Final answer
    x = 2,819.13

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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.