Home / 3,970.14-5,961.48-2,586.79

Finding the Fourth Proportional to 3,970.14, 5,961.48 and 2,586.79

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Solution

The fourth proportional to 3,970.14, 5,961.48 and 2,586.79 is: 3,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.14 : 5,961.48 = 2,586.79 : x
  2. Step 2: Convert to fraction form
    3,970.14/5,961.48 = 2,586.79/x
  3. Step 3: Cross multiply
    3,970.14x = 5,961.48 × 2,586.79
  4. Step 4: Simplify right side
    3,970.14x = 15,421,096.85
  5. Step 5: Solve for x
    x = 15,421,096.85/3,970.14
  6. Step 6: Final answer
    x = 3,884.27

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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.