Home / 3,864.64-5,796.96-2,749.36

Finding the Fourth Proportional to 3,864.64, 5,796.96 and 2,749.36

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Solution

The fourth proportional to 3,864.64, 5,796.96 and 2,749.36 is: 4,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.64 : 5,796.96 = 2,749.36 : x
  2. Step 2: Convert to fraction form
    3,864.64/5,796.96 = 2,749.36/x
  3. Step 3: Cross multiply
    3,864.64x = 5,796.96 × 2,749.36
  4. Step 4: Simplify right side
    3,864.64x = 15,937,929.95
  5. Step 5: Solve for x
    x = 15,937,929.95/3,864.64
  6. Step 6: Final answer
    x = 4,124.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.