Home / 3,052.74-4,209.89-1,991.32

Finding the Fourth Proportional to 3,052.74, 4,209.89 and 1,991.32

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Solution

The fourth proportional to 3,052.74, 4,209.89 and 1,991.32 is: 2,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.74 : 4,209.89 = 1,991.32 : x
  2. Step 2: Convert to fraction form
    3,052.74/4,209.89 = 1,991.32/x
  3. Step 3: Cross multiply
    3,052.74x = 4,209.89 × 1,991.32
  4. Step 4: Simplify right side
    3,052.74x = 8,383,238.15
  5. Step 5: Solve for x
    x = 8,383,238.15/3,052.74
  6. Step 6: Final answer
    x = 2,746.14

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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.