Home / 3,804.08-5,247.50-2,231.87

Finding the Fourth Proportional to 3,804.08, 5,247.50 and 2,231.87

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Solution

The fourth proportional to 3,804.08, 5,247.50 and 2,231.87 is: 3,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.08 : 5,247.50 = 2,231.87 : x
  2. Step 2: Convert to fraction form
    3,804.08/5,247.50 = 2,231.87/x
  3. Step 3: Cross multiply
    3,804.08x = 5,247.50 × 2,231.87
  4. Step 4: Simplify right side
    3,804.08x = 11,711,700.43
  5. Step 5: Solve for x
    x = 11,711,700.43/3,804.08
  6. Step 6: Final answer
    x = 3,078.72

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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.