Home / 1,819.21-2,732.46-1,775.47

Finding the Fourth Proportional to 1,819.21, 2,732.46 and 1,775.47

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Solution

The fourth proportional to 1,819.21, 2,732.46 and 1,775.47 is: 2,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.21 : 2,732.46 = 1,775.47 : x
  2. Step 2: Convert to fraction form
    1,819.21/2,732.46 = 1,775.47/x
  3. Step 3: Cross multiply
    1,819.21x = 2,732.46 × 1,775.47
  4. Step 4: Simplify right side
    1,819.21x = 4,851,400.76
  5. Step 5: Solve for x
    x = 4,851,400.76/1,819.21
  6. Step 6: Final answer
    x = 2,666.76

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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.