Home / 3,964.90-5,471.60-2,392.69

Finding the Fourth Proportional to 3,964.90, 5,471.60 and 2,392.69

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Solution

The fourth proportional to 3,964.90, 5,471.60 and 2,392.69 is: 3,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.90 : 5,471.60 = 2,392.69 : x
  2. Step 2: Convert to fraction form
    3,964.90/5,471.60 = 2,392.69/x
  3. Step 3: Cross multiply
    3,964.90x = 5,471.60 × 2,392.69
  4. Step 4: Simplify right side
    3,964.90x = 13,091,816.96
  5. Step 5: Solve for x
    x = 13,091,816.96/3,964.90
  6. Step 6: Final answer
    x = 3,301.93

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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.