Home / 3,971.60-5,957.40-2,003.30

Finding the Fourth Proportional to 3,971.60, 5,957.40 and 2,003.30

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Solution

The fourth proportional to 3,971.60, 5,957.40 and 2,003.30 is: 3,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.60 : 5,957.40 = 2,003.30 : x
  2. Step 2: Convert to fraction form
    3,971.60/5,957.40 = 2,003.30/x
  3. Step 3: Cross multiply
    3,971.60x = 5,957.40 × 2,003.30
  4. Step 4: Simplify right side
    3,971.60x = 11,934,459.42
  5. Step 5: Solve for x
    x = 11,934,459.42/3,971.60
  6. Step 6: Final answer
    x = 3,004.95

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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.