Home / 3,962.40-5,464.44-2,469.78

Finding the Fourth Proportional to 3,962.40, 5,464.44 and 2,469.78

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Solution

The fourth proportional to 3,962.40, 5,464.44 and 2,469.78 is: 3,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.40 : 5,464.44 = 2,469.78 : x
  2. Step 2: Convert to fraction form
    3,962.40/5,464.44 = 2,469.78/x
  3. Step 3: Cross multiply
    3,962.40x = 5,464.44 × 2,469.78
  4. Step 4: Simplify right side
    3,962.40x = 13,495,964.62
  5. Step 5: Solve for x
    x = 13,495,964.62/3,962.40
  6. Step 6: Final answer
    x = 3,406.01

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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.