Home / 3,840.32-5,757.96-1,373.88

Finding the Fourth Proportional to 3,840.32, 5,757.96 and 1,373.88

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Solution

The fourth proportional to 3,840.32, 5,757.96 and 1,373.88 is: 2,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.32 : 5,757.96 = 1,373.88 : x
  2. Step 2: Convert to fraction form
    3,840.32/5,757.96 = 1,373.88/x
  3. Step 3: Cross multiply
    3,840.32x = 5,757.96 × 1,373.88
  4. Step 4: Simplify right side
    3,840.32x = 7,910,746.08
  5. Step 5: Solve for x
    x = 7,910,746.08/3,840.32
  6. Step 6: Final answer
    x = 2,059.92

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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.