Home / 2,455.68-3,680.67-1,068.75

Finding the Fourth Proportional to 2,455.68, 3,680.67 and 1,068.75

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Solution

The fourth proportional to 2,455.68, 3,680.67 and 1,068.75 is: 1,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.68 : 3,680.67 = 1,068.75 : x
  2. Step 2: Convert to fraction form
    2,455.68/3,680.67 = 1,068.75/x
  3. Step 3: Cross multiply
    2,455.68x = 3,680.67 × 1,068.75
  4. Step 4: Simplify right side
    2,455.68x = 3,933,716.06
  5. Step 5: Solve for x
    x = 3,933,716.06/2,455.68
  6. Step 6: Final answer
    x = 1,601.88

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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.