Home / 3,968.60-5,962.01-2,801.28

Finding the Fourth Proportional to 3,968.60, 5,962.01 and 2,801.28

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Solution

The fourth proportional to 3,968.60, 5,962.01 and 2,801.28 is: 4,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.60 : 5,962.01 = 2,801.28 : x
  2. Step 2: Convert to fraction form
    3,968.60/5,962.01 = 2,801.28/x
  3. Step 3: Cross multiply
    3,968.60x = 5,962.01 × 2,801.28
  4. Step 4: Simplify right side
    3,968.60x = 16,701,259.37
  5. Step 5: Solve for x
    x = 16,701,259.37/3,968.60
  6. Step 6: Final answer
    x = 4,208.35

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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.