Home / 2,154.44-3,231.66-1,768.88

Finding the Fourth Proportional to 2,154.44, 3,231.66 and 1,768.88

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Solution

The fourth proportional to 2,154.44, 3,231.66 and 1,768.88 is: 2,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.44 : 3,231.66 = 1,768.88 : x
  2. Step 2: Convert to fraction form
    2,154.44/3,231.66 = 1,768.88/x
  3. Step 3: Cross multiply
    2,154.44x = 3,231.66 × 1,768.88
  4. Step 4: Simplify right side
    2,154.44x = 5,716,402.58
  5. Step 5: Solve for x
    x = 5,716,402.58/2,154.44
  6. Step 6: Final answer
    x = 2,653.32

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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.