Home / 3,957.00-5,937.25-2,107.67

Finding the Fourth Proportional to 3,957.00, 5,937.25 and 2,107.67

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Solution

The fourth proportional to 3,957.00, 5,937.25 and 2,107.67 is: 3,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.00 : 5,937.25 = 2,107.67 : x
  2. Step 2: Convert to fraction form
    3,957.00/5,937.25 = 2,107.67/x
  3. Step 3: Cross multiply
    3,957.00x = 5,937.25 × 2,107.67
  4. Step 4: Simplify right side
    3,957.00x = 12,513,766.10
  5. Step 5: Solve for x
    x = 12,513,766.10/3,957.00
  6. Step 6: Final answer
    x = 3,162.44

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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.