Home / 2,052.40-2,832.36-1,120.88

Finding the Fourth Proportional to 2,052.40, 2,832.36 and 1,120.88

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Solution

The fourth proportional to 2,052.40, 2,832.36 and 1,120.88 is: 1,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.40 : 2,832.36 = 1,120.88 : x
  2. Step 2: Convert to fraction form
    2,052.40/2,832.36 = 1,120.88/x
  3. Step 3: Cross multiply
    2,052.40x = 2,832.36 × 1,120.88
  4. Step 4: Simplify right side
    2,052.40x = 3,174,735.68
  5. Step 5: Solve for x
    x = 3,174,735.68/2,052.40
  6. Step 6: Final answer
    x = 1,546.84

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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.