Home / 3,873.92-5,346.08-2,217.92

Finding the Fourth Proportional to 3,873.92, 5,346.08 and 2,217.92

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Solution

The fourth proportional to 3,873.92, 5,346.08 and 2,217.92 is: 3,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.92 : 5,346.08 = 2,217.92 : x
  2. Step 2: Convert to fraction form
    3,873.92/5,346.08 = 2,217.92/x
  3. Step 3: Cross multiply
    3,873.92x = 5,346.08 × 2,217.92
  4. Step 4: Simplify right side
    3,873.92x = 11,857,177.75
  5. Step 5: Solve for x
    x = 11,857,177.75/3,873.92
  6. Step 6: Final answer
    x = 3,060.77

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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.