Home / 3,805.37-5,249.80-2,313.19

Finding the Fourth Proportional to 3,805.37, 5,249.80 and 2,313.19

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Solution

The fourth proportional to 3,805.37, 5,249.80 and 2,313.19 is: 3,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.37 : 5,249.80 = 2,313.19 : x
  2. Step 2: Convert to fraction form
    3,805.37/5,249.80 = 2,313.19/x
  3. Step 3: Cross multiply
    3,805.37x = 5,249.80 × 2,313.19
  4. Step 4: Simplify right side
    3,805.37x = 12,143,784.86
  5. Step 5: Solve for x
    x = 12,143,784.86/3,805.37
  6. Step 6: Final answer
    x = 3,191.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.