Home / 2,825.94-4,239.80-1,267.25

Finding the Fourth Proportional to 2,825.94, 4,239.80 and 1,267.25

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Solution

The fourth proportional to 2,825.94, 4,239.80 and 1,267.25 is: 1,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.94 : 4,239.80 = 1,267.25 : x
  2. Step 2: Convert to fraction form
    2,825.94/4,239.80 = 1,267.25/x
  3. Step 3: Cross multiply
    2,825.94x = 4,239.80 × 1,267.25
  4. Step 4: Simplify right side
    2,825.94x = 5,372,880.21
  5. Step 5: Solve for x
    x = 5,372,880.21/2,825.94
  6. Step 6: Final answer
    x = 1,901.27

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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.