Home / 3,747.06-5,172.71-3,391.67

Finding the Fourth Proportional to 3,747.06, 5,172.71 and 3,391.67

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Solution

The fourth proportional to 3,747.06, 5,172.71 and 3,391.67 is: 4,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.06 : 5,172.71 = 3,391.67 : x
  2. Step 2: Convert to fraction form
    3,747.06/5,172.71 = 3,391.67/x
  3. Step 3: Cross multiply
    3,747.06x = 5,172.71 × 3,391.67
  4. Step 4: Simplify right side
    3,747.06x = 17,544,140.38
  5. Step 5: Solve for x
    x = 17,544,140.38/3,747.06
  6. Step 6: Final answer
    x = 4,682.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.