Home / 3,971.92-5,957.01-1,631.35

Finding the Fourth Proportional to 3,971.92, 5,957.01 and 1,631.35

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Solution

The fourth proportional to 3,971.92, 5,957.01 and 1,631.35 is: 2,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.92 : 5,957.01 = 1,631.35 : x
  2. Step 2: Convert to fraction form
    3,971.92/5,957.01 = 1,631.35/x
  3. Step 3: Cross multiply
    3,971.92x = 5,957.01 × 1,631.35
  4. Step 4: Simplify right side
    3,971.92x = 9,717,968.26
  5. Step 5: Solve for x
    x = 9,717,968.26/3,971.92
  6. Step 6: Final answer
    x = 2,446.67

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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.