Home / 3,971.10-5,956.65-3,606.60

Finding the Fourth Proportional to 3,971.10, 5,956.65 and 3,606.60

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Solution

The fourth proportional to 3,971.10, 5,956.65 and 3,606.60 is: 5,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.10 : 5,956.65 = 3,606.60 : x
  2. Step 2: Convert to fraction form
    3,971.10/5,956.65 = 3,606.60/x
  3. Step 3: Cross multiply
    3,971.10x = 5,956.65 × 3,606.60
  4. Step 4: Simplify right side
    3,971.10x = 21,483,253.89
  5. Step 5: Solve for x
    x = 21,483,253.89/3,971.10
  6. Step 6: Final answer
    x = 5,409.90

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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.