Home / 1,469.66-2,199.56-1,262.57

Finding the Fourth Proportional to 1,469.66, 2,199.56 and 1,262.57

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Solution

The fourth proportional to 1,469.66, 2,199.56 and 1,262.57 is: 1,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.66 : 2,199.56 = 1,262.57 : x
  2. Step 2: Convert to fraction form
    1,469.66/2,199.56 = 1,262.57/x
  3. Step 3: Cross multiply
    1,469.66x = 2,199.56 × 1,262.57
  4. Step 4: Simplify right side
    1,469.66x = 2,777,081.16
  5. Step 5: Solve for x
    x = 2,777,081.16/1,469.66
  6. Step 6: Final answer
    x = 1,889.61

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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.