Home / 3,005.57-4,507.13-1,249.38

Finding the Fourth Proportional to 3,005.57, 4,507.13 and 1,249.38

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Solution

The fourth proportional to 3,005.57, 4,507.13 and 1,249.38 is: 1,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.57 : 4,507.13 = 1,249.38 : x
  2. Step 2: Convert to fraction form
    3,005.57/4,507.13 = 1,249.38/x
  3. Step 3: Cross multiply
    3,005.57x = 4,507.13 × 1,249.38
  4. Step 4: Simplify right side
    3,005.57x = 5,631,118.08
  5. Step 5: Solve for x
    x = 5,631,118.08/3,005.57
  6. Step 6: Final answer
    x = 1,873.56

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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.