Home / 3,980.33-5,962.28-2,331.88

Finding the Fourth Proportional to 3,980.33, 5,962.28 and 2,331.88

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Solution

The fourth proportional to 3,980.33, 5,962.28 and 2,331.88 is: 3,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.33 : 5,962.28 = 2,331.88 : x
  2. Step 2: Convert to fraction form
    3,980.33/5,962.28 = 2,331.88/x
  3. Step 3: Cross multiply
    3,980.33x = 5,962.28 × 2,331.88
  4. Step 4: Simplify right side
    3,980.33x = 13,903,291.68
  5. Step 5: Solve for x
    x = 13,903,291.68/3,980.33
  6. Step 6: Final answer
    x = 3,493.00

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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.