Home / 1,519.06-2,276.90-1,396.03

Finding the Fourth Proportional to 1,519.06, 2,276.90 and 1,396.03

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Solution

The fourth proportional to 1,519.06, 2,276.90 and 1,396.03 is: 2,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.06 : 2,276.90 = 1,396.03 : x
  2. Step 2: Convert to fraction form
    1,519.06/2,276.90 = 1,396.03/x
  3. Step 3: Cross multiply
    1,519.06x = 2,276.90 × 1,396.03
  4. Step 4: Simplify right side
    1,519.06x = 3,178,620.71
  5. Step 5: Solve for x
    x = 3,178,620.71/1,519.06
  6. Step 6: Final answer
    x = 2,092.49

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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.