Home / 3,749.08-5,619.66-1,249.59

Finding the Fourth Proportional to 3,749.08, 5,619.66 and 1,249.59

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Solution

The fourth proportional to 3,749.08, 5,619.66 and 1,249.59 is: 1,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.08 : 5,619.66 = 1,249.59 : x
  2. Step 2: Convert to fraction form
    3,749.08/5,619.66 = 1,249.59/x
  3. Step 3: Cross multiply
    3,749.08x = 5,619.66 × 1,249.59
  4. Step 4: Simplify right side
    3,749.08x = 7,022,270.94
  5. Step 5: Solve for x
    x = 7,022,270.94/3,749.08
  6. Step 6: Final answer
    x = 1,873.07

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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.