Home / 2,765.13-3,814.68-1,819.72

Finding the Fourth Proportional to 2,765.13, 3,814.68 and 1,819.72

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Solution

The fourth proportional to 2,765.13, 3,814.68 and 1,819.72 is: 2,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.13 : 3,814.68 = 1,819.72 : x
  2. Step 2: Convert to fraction form
    2,765.13/3,814.68 = 1,819.72/x
  3. Step 3: Cross multiply
    2,765.13x = 3,814.68 × 1,819.72
  4. Step 4: Simplify right side
    2,765.13x = 6,941,649.49
  5. Step 5: Solve for x
    x = 6,941,649.49/2,765.13
  6. Step 6: Final answer
    x = 2,510.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.