Home / 1,819.24-2,721.90-1,814.60

Finding the Fourth Proportional to 1,819.24, 2,721.90 and 1,814.60

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Solution

The fourth proportional to 1,819.24, 2,721.90 and 1,814.60 is: 2,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.24 : 2,721.90 = 1,814.60 : x
  2. Step 2: Convert to fraction form
    1,819.24/2,721.90 = 1,814.60/x
  3. Step 3: Cross multiply
    1,819.24x = 2,721.90 × 1,814.60
  4. Step 4: Simplify right side
    1,819.24x = 4,939,159.74
  5. Step 5: Solve for x
    x = 4,939,159.74/1,819.24
  6. Step 6: Final answer
    x = 2,714.96

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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.