Home / 1,796.47-2,690.60-1,138.32

Finding the Fourth Proportional to 1,796.47, 2,690.60 and 1,138.32

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Solution

The fourth proportional to 1,796.47, 2,690.60 and 1,138.32 is: 1,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.47 : 2,690.60 = 1,138.32 : x
  2. Step 2: Convert to fraction form
    1,796.47/2,690.60 = 1,138.32/x
  3. Step 3: Cross multiply
    1,796.47x = 2,690.60 × 1,138.32
  4. Step 4: Simplify right side
    1,796.47x = 3,062,763.79
  5. Step 5: Solve for x
    x = 3,062,763.79/1,796.47
  6. Step 6: Final answer
    x = 1,704.88

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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.