Home / 2,867.25-4,299.28-1,200.57

Finding the Fourth Proportional to 2,867.25, 4,299.28 and 1,200.57

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Solution

The fourth proportional to 2,867.25, 4,299.28 and 1,200.57 is: 1,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.25 : 4,299.28 = 1,200.57 : x
  2. Step 2: Convert to fraction form
    2,867.25/4,299.28 = 1,200.57/x
  3. Step 3: Cross multiply
    2,867.25x = 4,299.28 × 1,200.57
  4. Step 4: Simplify right side
    2,867.25x = 5,161,591.65
  5. Step 5: Solve for x
    x = 5,161,591.65/2,867.25
  6. Step 6: Final answer
    x = 1,800.19

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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.