Home / 3,955.76-5,458.96-2,383.88

Finding the Fourth Proportional to 3,955.76, 5,458.96 and 2,383.88

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Solution

The fourth proportional to 3,955.76, 5,458.96 and 2,383.88 is: 3,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.76 : 5,458.96 = 2,383.88 : x
  2. Step 2: Convert to fraction form
    3,955.76/5,458.96 = 2,383.88/x
  3. Step 3: Cross multiply
    3,955.76x = 5,458.96 × 2,383.88
  4. Step 4: Simplify right side
    3,955.76x = 13,013,505.56
  5. Step 5: Solve for x
    x = 13,013,505.56/3,955.76
  6. Step 6: Final answer
    x = 3,289.76

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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.