Home / 3,682.28-5,081.40-2,003.67

Finding the Fourth Proportional to 3,682.28, 5,081.40 and 2,003.67

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Solution

The fourth proportional to 3,682.28, 5,081.40 and 2,003.67 is: 2,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.28 : 5,081.40 = 2,003.67 : x
  2. Step 2: Convert to fraction form
    3,682.28/5,081.40 = 2,003.67/x
  3. Step 3: Cross multiply
    3,682.28x = 5,081.40 × 2,003.67
  4. Step 4: Simplify right side
    3,682.28x = 10,181,448.74
  5. Step 5: Solve for x
    x = 10,181,448.74/3,682.28
  6. Step 6: Final answer
    x = 2,764.98

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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.