Home / 2,212.21-3,052.77-1,327.49

Finding the Fourth Proportional to 2,212.21, 3,052.77 and 1,327.49

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Solution

The fourth proportional to 2,212.21, 3,052.77 and 1,327.49 is: 1,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.21 : 3,052.77 = 1,327.49 : x
  2. Step 2: Convert to fraction form
    2,212.21/3,052.77 = 1,327.49/x
  3. Step 3: Cross multiply
    2,212.21x = 3,052.77 × 1,327.49
  4. Step 4: Simplify right side
    2,212.21x = 4,052,506.38
  5. Step 5: Solve for x
    x = 4,052,506.38/2,212.21
  6. Step 6: Final answer
    x = 1,831.89

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1.5x scale

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.