Home / 1,819.28-2,731.23-1,514.86

Finding the Fourth Proportional to 1,819.28, 2,731.23 and 1,514.86

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Solution

The fourth proportional to 1,819.28, 2,731.23 and 1,514.86 is: 2,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.28 : 2,731.23 = 1,514.86 : x
  2. Step 2: Convert to fraction form
    1,819.28/2,731.23 = 1,514.86/x
  3. Step 3: Cross multiply
    1,819.28x = 2,731.23 × 1,514.86
  4. Step 4: Simplify right side
    1,819.28x = 4,137,424.25
  5. Step 5: Solve for x
    x = 4,137,424.25/1,819.28
  6. Step 6: Final answer
    x = 2,274.21

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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.