Home / 2,825.49-4,234.14-2,005.37

Finding the Fourth Proportional to 2,825.49, 4,234.14 and 2,005.37

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Solution

The fourth proportional to 2,825.49, 4,234.14 and 2,005.37 is: 3,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.49 : 4,234.14 = 2,005.37 : x
  2. Step 2: Convert to fraction form
    2,825.49/4,234.14 = 2,005.37/x
  3. Step 3: Cross multiply
    2,825.49x = 4,234.14 × 2,005.37
  4. Step 4: Simplify right side
    2,825.49x = 8,491,017.33
  5. Step 5: Solve for x
    x = 8,491,017.33/2,825.49
  6. Step 6: Final answer
    x = 3,005.15

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1.5x scale

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.