Home / 3,803.39-5,245.66-2,311.28

Finding the Fourth Proportional to 3,803.39, 5,245.66 and 2,311.28

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Solution

The fourth proportional to 3,803.39, 5,245.66 and 2,311.28 is: 3,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.39 : 5,245.66 = 2,311.28 : x
  2. Step 2: Convert to fraction form
    3,803.39/5,245.66 = 2,311.28/x
  3. Step 3: Cross multiply
    3,803.39x = 5,245.66 × 2,311.28
  4. Step 4: Simplify right side
    3,803.39x = 12,124,189.04
  5. Step 5: Solve for x
    x = 12,124,189.04/3,803.39
  6. Step 6: Final answer
    x = 3,187.73

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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.