Home / 1,679.03-2,519.86-1,162.65

Finding the Fourth Proportional to 1,679.03, 2,519.86 and 1,162.65

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Solution

The fourth proportional to 1,679.03, 2,519.86 and 1,162.65 is: 1,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.03 : 2,519.86 = 1,162.65 : x
  2. Step 2: Convert to fraction form
    1,679.03/2,519.86 = 1,162.65/x
  3. Step 3: Cross multiply
    1,679.03x = 2,519.86 × 1,162.65
  4. Step 4: Simplify right side
    1,679.03x = 2,929,708.42
  5. Step 5: Solve for x
    x = 2,929,708.42/1,679.03
  6. Step 6: Final answer
    x = 1,744.88

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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.