Home / 2,052.09-2,831.26-1,212.87

Finding the Fourth Proportional to 2,052.09, 2,831.26 and 1,212.87

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Solution

The fourth proportional to 2,052.09, 2,831.26 and 1,212.87 is: 1,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.09 : 2,831.26 = 1,212.87 : x
  2. Step 2: Convert to fraction form
    2,052.09/2,831.26 = 1,212.87/x
  3. Step 3: Cross multiply
    2,052.09x = 2,831.26 × 1,212.87
  4. Step 4: Simplify right side
    2,052.09x = 3,433,950.32
  5. Step 5: Solve for x
    x = 3,433,950.32/2,052.09
  6. Step 6: Final answer
    x = 1,673.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.