Home / 3,869.30-5,336.88-2,733.14

Finding the Fourth Proportional to 3,869.30, 5,336.88 and 2,733.14

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Solution

The fourth proportional to 3,869.30, 5,336.88 and 2,733.14 is: 3,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.30 : 5,336.88 = 2,733.14 : x
  2. Step 2: Convert to fraction form
    3,869.30/5,336.88 = 2,733.14/x
  3. Step 3: Cross multiply
    3,869.30x = 5,336.88 × 2,733.14
  4. Step 4: Simplify right side
    3,869.30x = 14,586,440.20
  5. Step 5: Solve for x
    x = 14,586,440.20/3,869.30
  6. Step 6: Final answer
    x = 3,769.79

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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.