Home / 3,956.89-5,924.40-2,980.03

Finding the Fourth Proportional to 3,956.89, 5,924.40 and 2,980.03

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Solution

The fourth proportional to 3,956.89, 5,924.40 and 2,980.03 is: 4,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.89 : 5,924.40 = 2,980.03 : x
  2. Step 2: Convert to fraction form
    3,956.89/5,924.40 = 2,980.03/x
  3. Step 3: Cross multiply
    3,956.89x = 5,924.40 × 2,980.03
  4. Step 4: Simplify right side
    3,956.89x = 17,654,889.73
  5. Step 5: Solve for x
    x = 17,654,889.73/3,956.89
  6. Step 6: Final answer
    x = 4,461.81

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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.